diff --git a/docs/sql_align_databases.sql b/docs/sql_align_databases.sql
new file mode 100644
index 000000000..6c15a8610
--- /dev/null
+++ b/docs/sql_align_databases.sql
@@ -0,0 +1,25 @@
+-- =============================================================
+-- 线上线下库对齐修复脚本
+-- 用于 klp-oa（线上）和 klp-oa-test（线下）
+-- =============================================================
+SET NAMES utf8mb4;
+
+-- ==================== 第一部分：补字典（两边都执行） ====================
+
+-- 1.1 regrade_quality_type 字典类型
+INSERT IGNORE INTO sys_dict_type (dict_name, dict_type, status, create_by, create_time, update_by, update_time, remark)
+VALUES ('改判后质量状态', 'regrade_quality_type', '0', 'admin', NOW(), 'admin', NOW(), '');
+
+-- 1.2 regrade_quality_type 字典数据
+INSERT IGNORE INTO sys_dict_data (dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (1, '协议销售', 'protocol_sale', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW()),
+(2, '转分剪', 'to_slitting', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW()),
+(3, '降级', 'downgrade', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW()),
+(4, '返修', 'rework', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW()),
+(5, '报废', 'scrap', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW());
+
+-- 1.3 quality_review_status 补充缺失数据
+INSERT IGNORE INTO sys_dict_data (dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (2, '待审批', '2', 'quality_review_status', '', 'warning', 'Y', '0', 'admin', NOW()),
+(3, '已通过', '3', 'quality_review_status', '', 'success', 'Y', '0', 'admin', NOW()),
+(4, '已驳回', '4', 'quality_review_status', '', 'danger', 'Y', '0', 'admin', NOW());
diff --git a/docs/sql_align_databases_v2.sql b/docs/sql_align_databases_v2.sql
new file mode 100644
index 000000000..ec5506593
--- /dev/null
+++ b/docs/sql_align_databases_v2.sql
@@ -0,0 +1,51 @@
+-- =============================================================
+-- 线上线下库对齐修复（修复版v2）
+-- 适配 dict_code / dict_id 非自增的表结构
+-- =============================================================
+SET NAMES utf8mb4;
+
+-- ==================== 1. 补字典类型 ====================
+SET @max_dict_id = (SELECT COALESCE(MAX(dict_id), 0) FROM sys_dict_type);
+
+INSERT IGNORE INTO sys_dict_type (dict_id, dict_name, dict_type, status, create_by, create_time)
+VALUES (@max_dict_id + 1, '改判后质量状态', 'regrade_quality_type', '0', 'admin', NOW());
+
+-- ==================== 2. 补字典数据 ====================
+SET @max_code = (SELECT COALESCE(MAX(dict_code), 0) FROM sys_dict_data);
+SET @code = @max_code + 1;
+
+-- quality_review_status 缺失的3条
+INSERT IGNORE INTO sys_dict_data (dict_code, dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (@code, 2, '待审批', '2', 'quality_review_status', '', 'warning', 'Y', '0', 'admin', NOW());
+SET @code = @code + 1;
+
+INSERT IGNORE INTO sys_dict_data (dict_code, dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (@code, 3, '已通过', '3', 'quality_review_status', '', 'success', 'Y', '0', 'admin', NOW());
+SET @code = @code + 1;
+
+INSERT IGNORE INTO sys_dict_data (dict_code, dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (@code, 4, '已驳回', '4', 'quality_review_status', '', 'danger', 'Y', '0', 'admin', NOW());
+SET @code = @code + 1;
+
+-- regrade_quality_type 5条
+INSERT IGNORE INTO sys_dict_data (dict_code, dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (@code, 1, '协议销售', 'protocol_sale', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW());
+SET @code = @code + 1;
+
+INSERT IGNORE INTO sys_dict_data (dict_code, dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (@code, 2, '转分剪', 'to_slitting', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW());
+SET @code = @code + 1;
+
+INSERT IGNORE INTO sys_dict_data (dict_code, dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (@code, 3, '降级', 'downgrade', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW());
+SET @code = @code + 1;
+
+INSERT IGNORE INTO sys_dict_data (dict_code, dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (@code, 4, '返修', 'rework', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW());
+SET @code = @code + 1;
+
+INSERT IGNORE INTO sys_dict_data (dict_code, dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time)
+VALUES (@code, 5, '报废', 'scrap', 'regrade_quality_type', '', '', 'Y', '0', 'admin', NOW());
+
+-- ==================== 3. 验证 ====================
+SELECT 'Dict fix OK' AS result;
diff --git a/docs/sql_align_dev.sql b/docs/sql_align_dev.sql
new file mode 100644
index 000000000..bdb76e58e
--- /dev/null
+++ b/docs/sql_align_dev.sql
@@ -0,0 +1,69 @@
+-- =============================================================
+-- 线下库 klp-oa-test 菜单对齐修复
+-- 将质量评审菜单从"质量管理"下移到"评审流程"目录下
+-- 并补充次品钢卷、O级卷菜单
+-- =============================================================
+SET NAMES utf8mb4;
+
+-- ==================== 1. 清理旧的质量评审菜单 ====================
+DELETE FROM sys_role_menu WHERE menu_id IN (2100000000000000036,2100000000000000037,2100000000000000038,2100000000000000039,2100000000000000040,2100000000000000041,2100000000000000042,2100000000000000043);
+DELETE FROM sys_menu WHERE menu_id IN (2100000000000000036,2100000000000000037,2100000000000000038,2100000000000000039,2100000000000000040,2100000000000000041,2100000000000000042,2100000000000000043);
+
+-- 计算可用菜单ID
+SET @max_id = (SELECT COALESCE(MAX(menu_id), 0) FROM sys_menu);
+
+-- ==================== 2. 创建"评审流程"目录（挂在质量管理下） ====================
+SET @parent_quality = 2068954238598967297; -- 质量管理
+SET @id_review_dir = @max_id + 1;
+INSERT IGNORE INTO sys_menu (menu_id, menu_name, parent_id, order_num, path, is_frame, is_cache, menu_type, visible, status, icon, create_by, create_time, update_by, update_time)
+VALUES (@id_review_dir, '评审流程', @parent_quality, 5, 'review', 1, 0, 'M', '0', '0', 'guide', 'admin', NOW(), 'admin', NOW());
+
+-- ==================== 3. 在评审流程下创建子菜单 ====================
+SET @parent = @id_review_dir;
+SET @id = @max_id + 2;
+
+-- 次品钢卷 (order=4)
+INSERT IGNORE INTO sys_menu (menu_id, menu_name, parent_id, order_num, path, component, is_frame, is_cache, menu_type, visible, status, icon, create_by, create_time)
+VALUES (@id, '次品钢卷', @parent, 4, 'rubbish', 'wms/coil/views/scrap', 1, 0, 'C', '0', '0', 'checkbox', 'admin', NOW());
+SET @id = @id + 1;
+
+-- O级卷 (order=5)
+INSERT IGNORE INTO sys_menu (menu_id, menu_name, parent_id, order_num, path, component, is_frame, is_cache, menu_type, visible, status, icon, create_by, create_time)
+VALUES (@id, 'O级卷', @parent, 5, 'jishu', 'wms/coil/views/jishu', 1, 0, 'C', '0', '0', 'checkbox', 'admin', NOW());
+SET @id = @id + 1;
+
+-- 质量评审 (order=6)
+SET @id_review_menu = @id;
+INSERT INTO sys_menu (menu_id, menu_name, parent_id, order_num, path, component, is_frame, is_cache, menu_type, visible, status, perms, icon, create_by, create_time)
+VALUES (@id_review_menu, '质量评审', @parent, 6, 'qualityReview', 'mes/qc/qualityReview/index', 1, 0, 'C', '0', '0', 'qc:qualityReview:list', 'guide', 'admin', NOW());
+SET @id = @id + 1;
+
+-- 质量评审待审批 (order=7, 隐藏)
+SET @id_review_todo = @id;
+INSERT INTO sys_menu (menu_id, menu_name, parent_id, order_num, path, component, is_frame, is_cache, menu_type, visible, status, perms, icon, create_by, create_time)
+VALUES (@id_review_todo, '质量评审待审批', @parent, 7, 'qualityReviewTodo', 'mes/qc/qualityReview/todo', 1, 0, 'C', '1', '0', 'qc:qualityReview:approve', 'checkbox', 'admin', NOW());
+SET @id = @id + 1;
+
+-- ==================== 4. 按钮权限（挂在质量评审菜单下） ====================
+INSERT INTO sys_menu (menu_id, menu_name, parent_id, order_num, menu_type, visible, status, perms, create_by, create_time)
+VALUES (@id, '质量评审新增', @id_review_menu, 1, 'F', '0', '0', 'qc:qualityReview:add', 'admin', NOW()); SET @id = @id + 1;
+INSERT INTO sys_menu (menu_id, menu_name, parent_id, order_num, menu_type, visible, status, perms, create_by, create_time)
+VALUES (@id, '质量评审修改', @id_review_menu, 2, 'F', '0', '0', 'qc:qualityReview:edit', 'admin', NOW()); SET @id = @id + 1;
+INSERT INTO sys_menu (menu_id, menu_name, parent_id, order_num, menu_type, visible, status, perms, create_by, create_time)
+VALUES (@id, '质量评审删除', @id_review_menu, 3, 'F', '0', '0', 'qc:qualityReview:delete', 'admin', NOW()); SET @id = @id + 1;
+INSERT INTO sys_menu (menu_id, menu_name, parent_id, order_num, menu_type, visible, status, perms, create_by, create_time)
+VALUES (@id, '质量评审提交送审', @id_review_menu, 4, 'F', '0', '0', 'qc:qualityReview:submit', 'admin', NOW()); SET @id = @id + 1;
+INSERT INTO sys_menu (menu_id, menu_name, parent_id, order_num, menu_type, visible, status, perms, create_by, create_time)
+VALUES (@id, '质量评审审批', @id_review_menu, 5, 'F', '0', '0', 'qc:qualityReview:approve', 'admin', NOW()); SET @id = @id + 1;
+INSERT INTO sys_menu (menu_id, menu_name, parent_id, order_num, menu_type, visible, status, perms, create_by, create_time)
+VALUES (@id, '质量评审执行改判', @id_review_menu, 6, 'F', '0', '0', 'qc:qualityReview:execute', 'admin', NOW());
+
+-- ==================== 5. 授权admin角色 ====================
+INSERT IGNORE INTO sys_role_menu (role_id, menu_id) VALUES
+(1, @parent_quality), (1, @id_review_dir),
+(1, @id_review_menu), (1, @id_review_todo);
+-- 按钮权限
+INSERT IGNORE INTO sys_role_menu (role_id, menu_id) SELECT 1, menu_id FROM sys_menu WHERE parent_id = @id_review_menu AND menu_type = 'F';
+
+-- ==================== 6. 验证 ====================
+SELECT 'Dev align OK' AS result;
diff --git a/klp-admin/src/main/java/com/klp/web/controller/system/SysFileCommentController.java b/klp-admin/src/main/java/com/klp/web/controller/system/SysFileCommentController.java
new file mode 100644
index 000000000..af5316ac4
--- /dev/null
+++ b/klp-admin/src/main/java/com/klp/web/controller/system/SysFileCommentController.java
@@ -0,0 +1,50 @@
+package com.klp.web.controller.system;
+
+import java.util.List;
+
+import lombok.RequiredArgsConstructor;
+import javax.validation.constraints.*;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.validation.annotation.Validated;
+import com.klp.common.annotation.RepeatSubmit;
+import com.klp.common.annotation.Log;
+import com.klp.common.core.controller.BaseController;
+import com.klp.common.core.domain.R;
+import com.klp.common.core.validate.AddGroup;
+import com.klp.common.enums.BusinessType;
+import com.klp.system.domain.vo.SysFileCommentVo;
+import com.klp.system.domain.bo.SysFileCommentBo;
+import com.klp.system.service.ISysFileCommentService;
+
+/**
+ * 文件评论
+ *
+ * @author klp
+ * @date 2026-07-04
+ */
+@Validated
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/system/file/comment")
+public class SysFileCommentController extends BaseController {
+
+    private final ISysFileCommentService iSysFileCommentService;
+
+    /**
+     * 查询文件评论列表
+     */
+    @GetMapping("/list/{fileId}")
+    public R<List<SysFileCommentVo>> list(@NotNull(message = "文件ID不能为空") @PathVariable Long fileId) {
+        return R.ok(iSysFileCommentService.queryListByFileId(fileId));
+    }
+
+    /**
+     * 新增文件评论
+     */
+    @Log(title = "文件评论", businessType = BusinessType.INSERT)
+    @RepeatSubmit()
+    @PostMapping()
+    public R<Void> add(@Validated(AddGroup.class) @RequestBody SysFileCommentBo bo) {
+        return toAjax(iSysFileCommentService.insertByBo(bo));
+    }
+}
diff --git a/klp-admin/src/main/java/com/klp/web/controller/system/SysFileController.java b/klp-admin/src/main/java/com/klp/web/controller/system/SysFileController.java
index d2c287236..275b0e2b9 100644
--- a/klp-admin/src/main/java/com/klp/web/controller/system/SysFileController.java
+++ b/klp-admin/src/main/java/com/klp/web/controller/system/SysFileController.java
@@ -98,6 +98,15 @@ public class SysFileController extends BaseController {
         return toAjax(iSysFileService.deleteWithValidByIds(Arrays.asList(fileIds), true));
     }
 
+    /**
+     * 文件浏览次数 +1
+     */
+    @PutMapping("/incrementView/{fileId}")
+    public R<Void> incrementView(@NotNull(message = "主键不能为空") @PathVariable Long fileId) {
+        iSysFileService.incrementViewCount(fileId);
+        return R.ok();
+    }
+
     /**
      * 查询与我相关的文件（私有文件且当前用户在可见用户列表中）
      */
diff --git a/klp-pt/src/main/java/com/klp/pt/controller/PtProductToleranceController.java b/klp-pt/src/main/java/com/klp/pt/controller/PtProductToleranceController.java
index c45a70796..a19c0a164 100644
--- a/klp-pt/src/main/java/com/klp/pt/controller/PtProductToleranceController.java
+++ b/klp-pt/src/main/java/com/klp/pt/controller/PtProductToleranceController.java
@@ -1,4 +1,4 @@
-package com.klp.controller;
+package com.klp.pt.controller;
 
 import java.util.List;
 import java.util.Arrays;
@@ -17,9 +17,9 @@ import com.klp.common.core.validate.AddGroup;
 import com.klp.common.core.validate.EditGroup;
 import com.klp.common.enums.BusinessType;
 import com.klp.common.utils.poi.ExcelUtil;
-import com.klp.domain.vo.PtProductToleranceVo;
-import com.klp.domain.bo.PtProductToleranceBo;
-import com.klp.service.IPtProductToleranceService;
+import com.klp.pt.domain.vo.PtProductToleranceVo;
+import com.klp.pt.domain.bo.PtProductToleranceBo;
+import com.klp.pt.service.IPtProductToleranceService;
 import com.klp.common.core.page.TableDataInfo;
 
 /**
diff --git a/klp-pt/src/main/java/com/klp/pt/domain/PtProductTolerance.java b/klp-pt/src/main/java/com/klp/pt/domain/PtProductTolerance.java
index e52493e34..ff4620bfb 100644
--- a/klp-pt/src/main/java/com/klp/pt/domain/PtProductTolerance.java
+++ b/klp-pt/src/main/java/com/klp/pt/domain/PtProductTolerance.java
@@ -1,4 +1,4 @@
-package com.klp.domain;
+package com.klp.pt.domain;
 
 import com.baomidou.mybatisplus.annotation.*;
 import com.klp.common.core.domain.BaseEntity;
diff --git a/klp-pt/src/main/java/com/klp/pt/domain/bo/PtProductToleranceBo.java b/klp-pt/src/main/java/com/klp/pt/domain/bo/PtProductToleranceBo.java
index 854a5da01..e150c7628 100644
--- a/klp-pt/src/main/java/com/klp/pt/domain/bo/PtProductToleranceBo.java
+++ b/klp-pt/src/main/java/com/klp/pt/domain/bo/PtProductToleranceBo.java
@@ -1,4 +1,4 @@
-package com.klp.domain.bo;
+package com.klp.pt.domain.bo;
 
 import com.klp.common.core.domain.BaseEntity;
 import lombok.Data;
diff --git a/klp-pt/src/main/java/com/klp/pt/domain/vo/PtProductToleranceVo.java b/klp-pt/src/main/java/com/klp/pt/domain/vo/PtProductToleranceVo.java
index cdb472bbc..5218432a2 100644
--- a/klp-pt/src/main/java/com/klp/pt/domain/vo/PtProductToleranceVo.java
+++ b/klp-pt/src/main/java/com/klp/pt/domain/vo/PtProductToleranceVo.java
@@ -1,4 +1,4 @@
-package com.klp.domain.vo;
+package com.klp.pt.domain.vo;
 
 import java.math.BigDecimal;
 import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
diff --git a/klp-pt/src/main/java/com/klp/pt/mapper/PtProductToleranceMapper.java b/klp-pt/src/main/java/com/klp/pt/mapper/PtProductToleranceMapper.java
index 7425f1a9a..13dfc0a4b 100644
--- a/klp-pt/src/main/java/com/klp/pt/mapper/PtProductToleranceMapper.java
+++ b/klp-pt/src/main/java/com/klp/pt/mapper/PtProductToleranceMapper.java
@@ -1,7 +1,7 @@
-package com.klp.mapper;
+package com.klp.pt.mapper;
 
-import com.klp.domain.PtProductTolerance;
-import com.klp.domain.vo.PtProductToleranceVo;
+import com.klp.pt.domain.PtProductTolerance;
+import com.klp.pt.domain.vo.PtProductToleranceVo;
 import com.klp.common.core.mapper.BaseMapperPlus;
 
 /**
diff --git a/klp-pt/src/main/java/com/klp/pt/service/IPtProductToleranceService.java b/klp-pt/src/main/java/com/klp/pt/service/IPtProductToleranceService.java
index e2605d15d..500a19f08 100644
--- a/klp-pt/src/main/java/com/klp/pt/service/IPtProductToleranceService.java
+++ b/klp-pt/src/main/java/com/klp/pt/service/IPtProductToleranceService.java
@@ -1,8 +1,8 @@
-package com.klp.service;
+package com.klp.pt.service;
 
-import com.klp.domain.PtProductTolerance;
-import com.klp.domain.vo.PtProductToleranceVo;
-import com.klp.domain.bo.PtProductToleranceBo;
+import com.klp.pt.domain.PtProductTolerance;
+import com.klp.pt.domain.vo.PtProductToleranceVo;
+import com.klp.pt.domain.bo.PtProductToleranceBo;
 import com.klp.common.core.page.TableDataInfo;
 import com.klp.common.core.domain.PageQuery;
 
diff --git a/klp-pt/src/main/java/com/klp/pt/service/impl/PtProductToleranceServiceImpl.java b/klp-pt/src/main/java/com/klp/pt/service/impl/PtProductToleranceServiceImpl.java
index dded8985f..e0a25740a 100644
--- a/klp-pt/src/main/java/com/klp/pt/service/impl/PtProductToleranceServiceImpl.java
+++ b/klp-pt/src/main/java/com/klp/pt/service/impl/PtProductToleranceServiceImpl.java
@@ -9,11 +9,11 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
-import com.klp.domain.bo.PtProductToleranceBo;
-import com.klp.domain.vo.PtProductToleranceVo;
-import com.klp.domain.PtProductTolerance;
-import com.klp.mapper.PtProductToleranceMapper;
-import com.klp.service.IPtProductToleranceService;
+import com.klp.pt.domain.bo.PtProductToleranceBo;
+import com.klp.pt.domain.vo.PtProductToleranceVo;
+import com.klp.pt.domain.PtProductTolerance;
+import com.klp.pt.mapper.PtProductToleranceMapper;
+import com.klp.pt.service.IPtProductToleranceService;
 
 import java.util.List;
 import java.util.Map;
diff --git a/klp-pt/src/main/resources/mapper/pt/PtProductToleranceMapper.xml b/klp-pt/src/main/resources/mapper/pt/PtProductToleranceMapper.xml
index 9ae5d3732..ef63d45b1 100644
--- a/klp-pt/src/main/resources/mapper/pt/PtProductToleranceMapper.xml
+++ b/klp-pt/src/main/resources/mapper/pt/PtProductToleranceMapper.xml
@@ -2,9 +2,9 @@
 <!DOCTYPE mapper
     PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.klp.mapper.PtProductToleranceMapper">
+<mapper namespace="com.klp.pt.mapper.PtProductToleranceMapper">
 
-    <resultMap type="com.klp.domain.PtProductTolerance" id="PtProductToleranceResult">
+    <resultMap type="com.klp.pt.domain.PtProductTolerance" id="PtProductToleranceResult">
         <result property="toleranceId" column="tolerance_id"/>
         <result property="standardId" column="standard_id"/>
         <result property="toleranceType" column="tolerance_type"/>
diff --git a/klp-system/src/main/java/com/klp/system/domain/SysFile.java b/klp-system/src/main/java/com/klp/system/domain/SysFile.java
index 708877aec..3401000f1 100644
--- a/klp-system/src/main/java/com/klp/system/domain/SysFile.java
+++ b/klp-system/src/main/java/com/klp/system/domain/SysFile.java
@@ -60,6 +60,10 @@ public class SysFile extends BaseEntity {
      * 备注
      */
     private String remark;
+    /**
+     * 浏览次数
+     */
+    private Long viewCount;
     /**
      * 删除标识 0正常 2删除
      */
diff --git a/klp-system/src/main/java/com/klp/system/domain/SysFileComment.java b/klp-system/src/main/java/com/klp/system/domain/SysFileComment.java
new file mode 100644
index 000000000..e24ca2a2a
--- /dev/null
+++ b/klp-system/src/main/java/com/klp/system/domain/SysFileComment.java
@@ -0,0 +1,40 @@
+package com.klp.system.domain;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.klp.common.core.domain.BaseEntity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+
+/**
+ * 文件评论对象 sys_file_comment
+ *
+ * @author klp
+ * @date 2026-07-04
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+@TableName("sys_file_comment")
+public class SysFileComment extends BaseEntity {
+
+    private static final long serialVersionUID=1L;
+
+    /**
+     * 主键ID
+     */
+    @TableId(value = "comment_id")
+    private Long commentId;
+    /**
+     * 关联文件ID
+     */
+    private Long fileId;
+    /**
+     * 评论内容
+     */
+    private String content;
+    /**
+     * 所属部门
+     */
+    private String dept;
+
+}
diff --git a/klp-system/src/main/java/com/klp/system/domain/bo/SysFileBo.java b/klp-system/src/main/java/com/klp/system/domain/bo/SysFileBo.java
index 4d84f2d1e..05ebcfb45 100644
--- a/klp-system/src/main/java/com/klp/system/domain/bo/SysFileBo.java
+++ b/klp-system/src/main/java/com/klp/system/domain/bo/SysFileBo.java
@@ -67,5 +67,9 @@ public class SysFileBo extends BaseEntity {
      */
     private String remark;
 
+    /**
+     * 浏览次数
+     */
+    private Long viewCount;
 
 }
diff --git a/klp-system/src/main/java/com/klp/system/domain/bo/SysFileCommentBo.java b/klp-system/src/main/java/com/klp/system/domain/bo/SysFileCommentBo.java
new file mode 100644
index 000000000..ee26751cb
--- /dev/null
+++ b/klp-system/src/main/java/com/klp/system/domain/bo/SysFileCommentBo.java
@@ -0,0 +1,42 @@
+package com.klp.system.domain.bo;
+
+import com.klp.common.core.domain.BaseEntity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import javax.validation.constraints.*;
+
+
+/**
+ * 文件评论业务对象 sys_file_comment
+ *
+ * @author klp
+ * @date 2026-07-04
+ */
+
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class SysFileCommentBo extends BaseEntity {
+
+    /**
+     * 主键ID
+     */
+    private Long commentId;
+
+    /**
+     * 关联文件ID
+     */
+    @NotNull(message = "文件ID不能为空")
+    private Long fileId;
+
+    /**
+     * 评论内容
+     */
+    @NotBlank(message = "评论内容不能为空")
+    private String content;
+
+    /**
+     * 所属部门
+     */
+    private String dept;
+
+}
diff --git a/klp-system/src/main/java/com/klp/system/domain/vo/SysFileCommentVo.java b/klp-system/src/main/java/com/klp/system/domain/vo/SysFileCommentVo.java
new file mode 100644
index 000000000..aedf32de0
--- /dev/null
+++ b/klp-system/src/main/java/com/klp/system/domain/vo/SysFileCommentVo.java
@@ -0,0 +1,40 @@
+package com.klp.system.domain.vo;
+
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.klp.common.core.domain.BaseEntity;
+import lombok.Data;
+
+
+/**
+ * 文件评论视图对象 sys_file_comment
+ *
+ * @author klp
+ * @date 2026-07-04
+ */
+@Data
+@ExcelIgnoreUnannotated
+public class SysFileCommentVo extends BaseEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 主键ID
+     */
+    private Long commentId;
+
+    /**
+     * 关联文件ID
+     */
+    private Long fileId;
+
+    /**
+     * 评论内容
+     */
+    private String content;
+
+    /**
+     * 所属部门
+     */
+    private String dept;
+
+}
diff --git a/klp-system/src/main/java/com/klp/system/domain/vo/SysFileVo.java b/klp-system/src/main/java/com/klp/system/domain/vo/SysFileVo.java
index a9075d43c..66c91baf2 100644
--- a/klp-system/src/main/java/com/klp/system/domain/vo/SysFileVo.java
+++ b/klp-system/src/main/java/com/klp/system/domain/vo/SysFileVo.java
@@ -80,5 +80,10 @@ public class SysFileVo extends BaseEntity {
     @ExcelProperty(value = "备注")
     private String remark;
 
+    /**
+     * 浏览次数
+     */
+    @ExcelProperty(value = "浏览次数")
+    private Long viewCount;
 
 }
diff --git a/klp-system/src/main/java/com/klp/system/mapper/SysFileCommentMapper.java b/klp-system/src/main/java/com/klp/system/mapper/SysFileCommentMapper.java
new file mode 100644
index 000000000..81e1e5552
--- /dev/null
+++ b/klp-system/src/main/java/com/klp/system/mapper/SysFileCommentMapper.java
@@ -0,0 +1,15 @@
+package com.klp.system.mapper;
+
+import com.klp.system.domain.SysFileComment;
+import com.klp.system.domain.vo.SysFileCommentVo;
+import com.klp.common.core.mapper.BaseMapperPlus;
+
+/**
+ * 文件评论Mapper接口
+ *
+ * @author klp
+ * @date 2026-07-04
+ */
+public interface SysFileCommentMapper extends BaseMapperPlus<SysFileCommentMapper, SysFileComment, SysFileCommentVo> {
+
+}
diff --git a/klp-system/src/main/java/com/klp/system/service/ISysFileCommentService.java b/klp-system/src/main/java/com/klp/system/service/ISysFileCommentService.java
new file mode 100644
index 000000000..5a14b997d
--- /dev/null
+++ b/klp-system/src/main/java/com/klp/system/service/ISysFileCommentService.java
@@ -0,0 +1,25 @@
+package com.klp.system.service;
+
+import com.klp.system.domain.vo.SysFileCommentVo;
+import com.klp.system.domain.bo.SysFileCommentBo;
+
+import java.util.List;
+
+/**
+ * 文件评论Service接口
+ *
+ * @author klp
+ * @date 2026-07-04
+ */
+public interface ISysFileCommentService {
+
+    /**
+     * 查询文件评论列表
+     */
+    List<SysFileCommentVo> queryListByFileId(Long fileId);
+
+    /**
+     * 新增文件评论
+     */
+    Boolean insertByBo(SysFileCommentBo bo);
+}
diff --git a/klp-system/src/main/java/com/klp/system/service/ISysFileService.java b/klp-system/src/main/java/com/klp/system/service/ISysFileService.java
index 1cd0a32da..134f86493 100644
--- a/klp-system/src/main/java/com/klp/system/service/ISysFileService.java
+++ b/klp-system/src/main/java/com/klp/system/service/ISysFileService.java
@@ -51,4 +51,9 @@ public interface ISysFileService {
      * 查询与我相关的文件（私有文件且当前用户在可见用户列表中）
      */
     TableDataInfo<SysFileVo> queryPageListRelatedToMe(SysFileBo bo, PageQuery pageQuery);
+
+    /**
+     * 文件浏览次数 +1
+     */
+    void incrementViewCount(Long fileId);
 }
diff --git a/klp-system/src/main/java/com/klp/system/service/impl/SysFileCommentServiceImpl.java b/klp-system/src/main/java/com/klp/system/service/impl/SysFileCommentServiceImpl.java
new file mode 100644
index 000000000..0eece3c44
--- /dev/null
+++ b/klp-system/src/main/java/com/klp/system/service/impl/SysFileCommentServiceImpl.java
@@ -0,0 +1,50 @@
+package com.klp.system.service.impl;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.klp.common.helper.LoginHelper;
+import com.klp.system.domain.bo.SysFileCommentBo;
+import com.klp.system.domain.vo.SysFileCommentVo;
+import com.klp.system.domain.SysFileComment;
+import com.klp.system.mapper.SysFileCommentMapper;
+import com.klp.system.service.ISysFileCommentService;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * 文件评论Service业务层处理
+ *
+ * @author klp
+ * @date 2026-07-04
+ */
+@RequiredArgsConstructor
+@Service
+public class SysFileCommentServiceImpl implements ISysFileCommentService {
+
+    private final SysFileCommentMapper baseMapper;
+
+    /**
+     * 查询文件评论列表（按时间升序）
+     */
+    @Override
+    public List<SysFileCommentVo> queryListByFileId(Long fileId) {
+        LambdaQueryWrapper<SysFileComment> lqw = Wrappers.lambdaQuery();
+        lqw.eq(SysFileComment::getFileId, fileId);
+        lqw.orderByAsc(SysFileComment::getCreateTime);
+        return baseMapper.selectVoList(lqw);
+    }
+
+    /**
+     * 新增文件评论
+     */
+    @Override
+    public Boolean insertByBo(SysFileCommentBo bo) {
+        SysFileComment add = BeanUtil.toBean(bo, SysFileComment.class);
+        // 自动填充部门和评论人
+        add.setDept(LoginHelper.getLoginUser().getDeptName());
+        return baseMapper.insert(add) > 0;
+    }
+}
diff --git a/klp-system/src/main/java/com/klp/system/service/impl/SysFileServiceImpl.java b/klp-system/src/main/java/com/klp/system/service/impl/SysFileServiceImpl.java
index b06095d64..09b1c2ccf 100644
--- a/klp-system/src/main/java/com/klp/system/service/impl/SysFileServiceImpl.java
+++ b/klp-system/src/main/java/com/klp/system/service/impl/SysFileServiceImpl.java
@@ -5,6 +5,7 @@ import com.klp.common.core.page.TableDataInfo;
 import com.klp.common.core.domain.PageQuery;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.klp.common.helper.LoginHelper;
 import com.klp.common.utils.StringUtils;
@@ -124,6 +125,16 @@ public class SysFileServiceImpl implements ISysFileService {
         return TableDataInfo.build(result);
     }
 
+    /**
+     * 文件浏览次数 +1
+     */
+    @Override
+    public void incrementViewCount(Long fileId) {
+        baseMapper.update(null, Wrappers.<SysFile>lambdaUpdate()
+            .setSql("view_count = view_count + 1")
+            .eq(SysFile::getFileId, fileId));
+    }
+
     /**
      * 保存前的数据校验
      */
diff --git a/klp-system/src/main/resources/mapper/system/SysFileCommentMapper.xml b/klp-system/src/main/resources/mapper/system/SysFileCommentMapper.xml
new file mode 100644
index 000000000..bdd9284ba
--- /dev/null
+++ b/klp-system/src/main/resources/mapper/system/SysFileCommentMapper.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+    PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+    "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.klp.system.mapper.SysFileCommentMapper">
+
+    <resultMap type="com.klp.system.domain.SysFileComment" id="SysFileCommentResult">
+        <result property="commentId" column="comment_id"/>
+        <result property="fileId" column="file_id"/>
+        <result property="content" column="content"/>
+        <result property="dept" column="dept"/>
+        <result property="createBy" column="create_by"/>
+        <result property="createTime" column="create_time"/>
+    </resultMap>
+
+</mapper>
diff --git a/klp-system/src/main/resources/mapper/system/SysFileMapper.xml b/klp-system/src/main/resources/mapper/system/SysFileMapper.xml
index 809b1c040..c987af387 100644
--- a/klp-system/src/main/resources/mapper/system/SysFileMapper.xml
+++ b/klp-system/src/main/resources/mapper/system/SysFileMapper.xml
@@ -15,6 +15,7 @@
         <result property="fileType" column="file_type"/>
         <result property="scopeType" column="scope_type"/>
         <result property="remark" column="remark"/>
+        <result property="viewCount" column="view_count"/>
         <result property="createBy" column="create_by"/>
         <result property="createTime" column="create_time"/>
         <result property="updateBy" column="update_by"/>
diff --git a/klp-ui/src/api/system/file.js b/klp-ui/src/api/system/file.js
index c184ddda3..f46086350 100644
--- a/klp-ui/src/api/system/file.js
+++ b/klp-ui/src/api/system/file.js
@@ -52,6 +52,14 @@ export function exportFile(query) {
   })
 }
 
+// 文件浏览次数 +1
+export function incrementView(fileId) {
+  return request({
+    url: '/system/file/incrementView/' + fileId,
+    method: 'put'
+  })
+}
+
 // 查询与我相关的文件
 export function listRelatedToMe(query) {
   return request({
diff --git a/klp-ui/src/api/system/fileComment.js b/klp-ui/src/api/system/fileComment.js
new file mode 100644
index 000000000..bc33663be
--- /dev/null
+++ b/klp-ui/src/api/system/fileComment.js
@@ -0,0 +1,18 @@
+import request from '@/utils/request'
+
+// 查询文件评论列表
+export function listFileComment(fileId) {
+  return request({
+    url: '/system/file/comment/list/' + fileId,
+    method: 'get'
+  })
+}
+
+// 新增文件评论
+export function addFileComment(data) {
+  return request({
+    url: '/system/file/comment',
+    method: 'post',
+    data: data
+  })
+}
diff --git a/klp-ui/src/views/system/file/all.vue b/klp-ui/src/views/system/file/all.vue
index 757154ac4..ffa39af76 100644
--- a/klp-ui/src/views/system/file/all.vue
+++ b/klp-ui/src/views/system/file/all.vue
@@ -28,8 +28,12 @@
       </el-col>
     </el-row>
 
-    <!-- 搜索栏 -->
-    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="80px">
+    <!-- 左右分栏布局（可拖拽调节宽度） -->
+    <div class="file-layout" ref="layoutContainer">
+      <!-- 左侧：文件列表 -->
+      <div class="file-left" :style="{ width: leftPanelWidth }">
+        <!-- 搜索栏 -->
+        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="80px">
       <el-form-item label="文件名称" prop="fileName">
         <el-input
           v-model="queryParams.fileName"
@@ -135,61 +139,22 @@
     </el-row>
 
     <!-- 文件列表表格 -->
-    <KLPTable v-loading="loading" :data="fileList" @selection-change="handleSelectionChange">
+    <KLPTable v-loading="loading" :data="fileList" @selection-change="handleSelectionChange" highlight-current-row @row-click="handleRowClick">
       <el-table-column type="selection" width="55" align="center" v-if="activeTab === 'my' || activeTab === 'all'" />
       <el-table-column label="文件名称" align="center" prop="fileName" :show-overflow-tooltip="true">
         <template slot-scope="scope">
           <el-link type="primary" @click="handlePreview(scope.row)">{{ scope.row.fileName }}</el-link>
         </template>
       </el-table-column>
-      <el-table-column label="文件类型" align="center" prop="fileType">
-        <template slot-scope="scope">
-          <dict-tag :options="dict.type.sys_file_type" :value="scope.row.fileType"/>
-        </template>
-      </el-table-column>
-      <el-table-column label="文件大小" align="center" prop="fileSize">
-        <template slot-scope="scope">
-          {{ formatFileSize(scope.row.fileSize) }}
-        </template>
-      </el-table-column>
-      <el-table-column label="订单编号" align="center" prop="orderNo" :show-overflow-tooltip="true" />
-      <el-table-column label="所属部门" align="center" prop="dept" :show-overflow-tooltip="true" />
-      <el-table-column label="可见范围" align="center" prop="scopeType">
-        <template slot-scope="scope">
-          <el-tag :type="scope.row.scopeType === 1 ? 'success' : 'warning'" size="small">
-            {{ scope.row.scopeType === 1 ? '公开' : '私有' }}
-          </el-tag>
-        </template>
-      </el-table-column>
       <el-table-column label="上传人" align="center" prop="createBy" />
       <el-table-column label="上传时间" align="center" prop="createTime" width="160">
         <template slot-scope="scope">
           <span>{{ parseTime(scope.row.createTime) }}</span>
         </template>
       </el-table-column>
-      <el-table-column label="备注" align="center" prop="remark" :show-overflow-tooltip="true" />
-      <el-table-column label="操作" align="center" width="220" class-name="small-padding fixed-width">
+      <el-table-column label="浏览次数" align="center" width="90">
         <template slot-scope="scope">
-          <el-button
-            size="mini"
-            type="text"
-            icon="el-icon-view"
-            @click="handlePreview(scope.row)"
-          >预览</el-button>
-          <el-button
-            v-if="canEdit(scope.row)"
-            size="mini"
-            type="text"
-            icon="el-icon-edit"
-            @click="handleUpdate(scope.row)"
-          >编辑</el-button>
-          <el-button
-            v-if="canEdit(scope.row)"
-            size="mini"
-            type="text"
-            icon="el-icon-delete"
-            @click="handleDelete(scope.row)"
-          >删除</el-button>
+          <span>{{ scope.row.viewCount != null ? scope.row.viewCount : 0 }}</span>
         </template>
       </el-table-column>
     </KLPTable>
@@ -201,6 +166,76 @@
       :limit.sync="queryParams.pageSize"
       @pagination="getList"
     />
+      </div>
+      <!-- 拖拽分隔条 -->
+      <div class="resize-handle" @mousedown="startResize" :class="{ dragging: isDragging }"></div>
+      <!-- 右侧：文件预览 -->
+      <div class="file-right">
+        <div class="preview-panel">
+          <div v-if="!selectedFile" class="preview-empty">
+            <el-empty description="请选择左侧文件进行预览" />
+          </div>
+          <template v-else>
+            <div class="preview-header">
+              <span class="preview-filename" :title="selectedFile.fileName">{{ selectedFile.fileName }}</span>
+              <div>
+                <el-button size="mini" type="text" @click="handlePreview(selectedFile)">预览</el-button>
+                <el-button size="mini" plain icon="el-icon-info" @click="handleShowInfo(selectedFile)">查看</el-button>
+                <el-button size="mini" type="primary" icon="el-icon-download" @click="downloadFile(selectedFile)">下载</el-button>
+                <el-button v-if="canEdit(selectedFile)" size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(selectedFile)">编辑</el-button>
+                <el-button v-if="canEdit(selectedFile)" size="mini" type="text" icon="el-icon-delete" @click="handleDelete(selectedFile)">删除</el-button>
+              </div>
+            </div>
+            <div class="preview-meta">
+              <span>{{ formatFileSize(selectedFile.fileSize) }}</span>
+              <dict-tag :options="dict.type.sys_file_type" :value="selectedFile.fileType" />
+              <span>{{ selectedFile.createBy }}</span>
+              <span>{{ parseTime(selectedFile.createTime) }}</span>
+            </div>
+            <div class="preview-comment">
+              <div class="comment-bar" @click="commentExpanded = !commentExpanded">
+                <span><i class="el-icon-chat-dot-round"></i> 评论 ({{ comments.length }})</span>
+                <span class="comment-toggle">{{ commentExpanded ? '收起' : '展开' }} <i :class="commentExpanded ? 'el-icon-arrow-up' : 'el-icon-arrow-down'"></i></span>
+              </div>
+              <div v-show="commentExpanded" class="comment-body">
+                <div v-if="commentLoading" class="comment-hint"><i class="el-icon-loading"></i> 加载中...</div>
+                <div v-else-if="comments.length === 0" class="comment-hint comment-empty">暂无评论</div>
+                <div v-else class="comment-list">
+                  <div v-for="item in comments" :key="item.commentId" class="comment-item">
+                    <div class="comment-meta">
+                      <span class="comment-dept">{{ item.dept }}</span>
+                      <span class="comment-user">{{ item.createBy }}</span>
+                      <span class="comment-time">{{ parseTime(item.createTime) }}</span>
+                    </div>
+                    <div class="comment-text">{{ item.content }}</div>
+                  </div>
+                </div>
+                <div class="comment-input-area">
+                  <el-input
+                    v-model="commentInput"
+                    type="textarea"
+                    :rows="2"
+                    placeholder="输入评论..."
+                    resize="none"
+                  />
+                  <el-button type="primary" size="mini" @click="handleAddComment" :disabled="!commentInput.trim()" style="margin-top: 6px;">发送</el-button>
+                </div>
+              </div>
+            </div>
+            <div class="preview-content">
+              <ImagePreview v-if="fileTypeCategory === 'image'" :src="selectedFile.filePath" />
+              <PdfPreview v-else-if="fileTypeCategory === 'pdf'" :src="selectedFile.filePath" />
+              <DocxPreview v-else-if="fileTypeCategory === 'docx'" :src="selectedFile.filePath" />
+              <XlsxPreview v-else-if="fileTypeCategory === 'xlsx'" :src="selectedFile.filePath" />
+              <XlsPreview v-else-if="fileTypeCategory === 'xls'" :src="selectedFile.filePath" />
+              <div v-else class="preview-not-supported">
+                <el-empty description="暂不支持预览此文件类型" />
+              </div>
+            </div>
+          </template>
+        </div>
+      </div>
+    </div>
 
     <!-- 上传/编辑对话框 -->
     <el-dialog :title="dialogTitle" :visible.sync="open" width="650px" append-to-body @close="handleDialogClose">
@@ -265,45 +300,53 @@
       </div>
     </el-dialog>
 
-    <!-- 文件预览对话框 -->
-    <el-dialog :title="previewTitle" :visible.sync="previewVisible" width="80%" append-to-body>
-      <div v-if="previewFile" class="file-preview-container">
-        <el-descriptions :column="2" border>
-          <el-descriptions-item label="文件名称">{{ previewFile.fileName }}</el-descriptions-item>
-          <el-descriptions-item label="文件类型">
-            <dict-tag :options="dict.type.sys_file_type" :value="previewFile.fileType"/>
-          </el-descriptions-item>
-          <el-descriptions-item label="文件大小">{{ formatFileSize(previewFile.fileSize) }}</el-descriptions-item>
-          <el-descriptions-item label="文件后缀">{{ previewFile.suffix }}</el-descriptions-item>
-          <el-descriptions-item label="订单编号">{{ previewFile.orderNo || '-' }}</el-descriptions-item>
-          <el-descriptions-item label="所属部门">{{ previewFile.dept || '-' }}</el-descriptions-item>
-          <el-descriptions-item label="可见范围">
-            <el-tag :type="previewFile.scopeType === 1 ? 'success' : 'warning'" size="small">
-              {{ previewFile.scopeType === 1 ? '公开' : '私有' }}
-            </el-tag>
-          </el-descriptions-item>
-          <el-descriptions-item label="上传人">{{ previewFile.createBy }}</el-descriptions-item>
-          <el-descriptions-item label="上传时间">{{ parseTime(previewFile.createTime) }}</el-descriptions-item>
-          <el-descriptions-item label="备注" :span="2">{{ previewFile.remark || '-' }}</el-descriptions-item>
-        </el-descriptions>
-        <div v-if="previewFile.filePath" style="margin-top: 16px;">
-          <el-button type="primary" size="small" @click="downloadFile(previewFile)">下载文件</el-button>
-        </div>
-      </div>
+    <!-- 文件详情对话框 -->
+    <el-dialog :title="infoTitle" :visible.sync="infoVisible" width="600px" append-to-body>
+      <el-descriptions v-if="infoFile" :column="2" border>
+        <el-descriptions-item label="文件名称">{{ infoFile.fileName }}</el-descriptions-item>
+        <el-descriptions-item label="文件类型">
+          <dict-tag :options="dict.type.sys_file_type" :value="infoFile.fileType"/>
+        </el-descriptions-item>
+        <el-descriptions-item label="文件大小">{{ formatFileSize(infoFile.fileSize) }}</el-descriptions-item>
+        <el-descriptions-item label="文件后缀">{{ infoFile.suffix || '-' }}</el-descriptions-item>
+        <el-descriptions-item label="浏览次数">{{ infoFile.viewCount != null ? infoFile.viewCount : 0 }} 次</el-descriptions-item>
+        <el-descriptions-item label="订单编号">{{ infoFile.orderNo || '-' }}</el-descriptions-item>
+        <el-descriptions-item label="所属部门">{{ infoFile.dept || '-' }}</el-descriptions-item>
+        <el-descriptions-item label="可见范围">
+          <el-tag :type="infoFile.scopeType === 1 ? 'success' : 'warning'" size="small">
+            {{ infoFile.scopeType === 1 ? '公开' : '私有' }}
+          </el-tag>
+        </el-descriptions-item>
+        <el-descriptions-item label="上传人">{{ infoFile.createBy }}</el-descriptions-item>
+        <el-descriptions-item label="上传时间">{{ parseTime(infoFile.createTime) }}</el-descriptions-item>
+        <el-descriptions-item label="备注" :span="2">{{ infoFile.remark || '-' }}</el-descriptions-item>
+      </el-descriptions>
     </el-dialog>
+
   </div>
 </template>
 
 <script>
-import { listFile, getFile, addFile, updateFile, delFile, exportFile, listVisibleUser, addVisibleUser, delVisibleUser, listVisibleUserByFileId, listRelatedToMe } from '@/api/system/file'
+import { listFile, getFile, addFile, updateFile, delFile, exportFile, listVisibleUser, addVisibleUser, delVisibleUser, listVisibleUserByFileId, listRelatedToMe, incrementView } from '@/api/system/file'
+import { listFileComment, addFileComment } from '@/api/system/fileComment'
 import { getToken } from '@/utils/auth'
 import UserSelect from '@/components/KLPService/UserSelect/index'
+import ImagePreview from '@/components/FilePreview/preview/image/index.vue'
+import PdfPreview from '@/components/FilePreview/preview/pdf/index.vue'
+import DocxPreview from '@/components/FilePreview/preview/docx/index.vue'
+import XlsxPreview from '@/components/FilePreview/preview/xlsx/index.vue'
+import XlsPreview from '@/components/FilePreview/preview/xls/index.vue'
 
 export default {
   name: 'SysFile',
   dicts: ['sys_file_type'],
   components: {
-    UserSelect
+    UserSelect,
+    ImagePreview,
+    PdfPreview,
+    DocxPreview,
+    XlsxPreview,
+    XlsPreview
   },
   data() {
     return {
@@ -379,15 +422,52 @@ export default {
         Authorization: 'Bearer ' + getToken()
       },
       uploadFileList: [],
-      // 预览
-      previewVisible: false,
-      previewTitle: '',
-      previewFile: null
+      // 选中的文件（右侧预览）
+      selectedFile: null,
+      // 文件详情弹窗
+      infoVisible: false,
+      infoTitle: '',
+      infoFile: null,
+      // 评论
+      comments: [],
+      commentExpanded: false,
+      commentInput: '',
+      commentLoading: false,
+      // 拖拽调节宽度
+      leftPanelWidth: '40%',
+      isDragging: false,
+      startX: 0,
+      startLeftWidth: 60
+    }
+  },
+  computed: {
+    /** 根据文件后缀分类，决定右侧用哪个预览组件 */
+    fileTypeCategory() {
+      if (!this.selectedFile) return null
+      // 优先使用 suffix 字段，其次从 fileName 提取
+      const raw = this.selectedFile.suffix || this.selectedFile.fileName || ''
+      const ext = (raw.includes('.') ? raw.split('.').pop() : raw).toLowerCase()
+      if (['png', 'jpg', 'jpeg', 'bmp', 'webp'].includes(ext)) return 'image'
+      if (ext === 'pdf') return 'pdf'
+      if (ext === 'docx') return 'docx'
+      if (ext === 'xlsx') return 'xlsx'
+      if (ext === 'xls') return 'xls'
+      return 'other'
     }
   },
   created() {
     this.getList()
   },
+  watch: {
+    selectedFile(val) {
+      if (val) {
+        this.loadComments()
+      } else {
+        this.comments = []
+        this.commentExpanded = false
+      }
+    }
+  },
   methods: {
     /** 切换tab */
     handleTabClick(tab) {
@@ -492,6 +572,7 @@ export default {
     /** 重置按钮 */
     resetQuery() {
       this.dateRange = []
+      this.selectedFile = null
       this.resetForm('queryForm')
       this.queryParams = {
         pageNum: 1,
@@ -666,17 +747,74 @@ export default {
         ...this.queryParams
       }, `file_${new Date().getTime()}.xlsx`)
     },
-    /** 预览 */
+    /** 点击文件名查看预览 */
     handlePreview(row) {
-      this.previewFile = row
-      this.previewTitle = '文件详情 - ' + row.fileName
-      this.previewVisible = true
+      this.selectedFile = row
+      incrementView(row.fileId)
+    },
+    /** 点击查看按钮弹出详情 */
+    handleShowInfo(row) {
+      this.infoFile = row
+      this.infoTitle = '文件详情 - ' + row.fileName
+      this.infoVisible = true
+    },
+    /** 点击行选中预览 */
+    handleRowClick(row) {
+      this.selectedFile = row
     },
     /** 下载文件 */
     downloadFile(row) {
       if (row.filePath) {
         window.open(row.filePath, '_blank')
       }
+    },
+    /** 加载评论列表 */
+    loadComments() {
+      this.commentLoading = true
+      listFileComment(this.selectedFile.fileId).then(res => {
+        this.comments = res.data || []
+        this.commentLoading = false
+      }).catch(() => {
+        this.commentLoading = false
+      })
+    },
+    /** 发送评论 */
+    handleAddComment() {
+      const content = this.commentInput.trim()
+      if (!content) return
+      addFileComment({ fileId: this.selectedFile.fileId, content }).then(() => {
+        this.commentInput = ''
+        this.loadComments()
+      })
+    },
+    /** 开始拖拽 */
+    startResize(e) {
+      this.isDragging = true
+      this.startX = e.clientX
+      this.startLeftWidth = parseFloat(this.leftPanelWidth)
+      document.addEventListener('mousemove', this.doResize)
+      document.addEventListener('mouseup', this.stopResize)
+      document.body.style.cursor = 'col-resize'
+      document.body.style.userSelect = 'none'
+    },
+    /** 拖拽中 */
+    doResize(e) {
+      if (!this.isDragging) return
+      const container = this.$refs.layoutContainer
+      const rect = container.getBoundingClientRect()
+      const deltaX = e.clientX - this.startX
+      let percent = this.startLeftWidth + (deltaX / rect.width) * 100
+      percent = Math.max(30, Math.min(80, percent))
+      this.leftPanelWidth = percent + '%'
+    },
+    /** 结束拖拽 */
+    stopResize() {
+      if (!this.isDragging) return
+      this.isDragging = false
+      document.removeEventListener('mousemove', this.doResize)
+      document.removeEventListener('mouseup', this.stopResize)
+      document.body.style.cursor = ''
+      document.body.style.userSelect = ''
     }
   }
 }
@@ -684,16 +822,16 @@ export default {
 
 <style scoped>
 .stat-row {
-  margin-bottom: 16px;
+  margin-bottom: 8px;
 }
 
 .stat-card {
   background: #fff;
-  border-radius: 8px;
-  padding: 20px;
+  border-radius: 6px;
+  padding: 10px 16px;
   text-align: center;
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
-  border-left: 4px solid #409eff;
+  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
+  border-left: 3px solid #409eff;
 }
 
 .stat-card.public {
@@ -705,23 +843,225 @@ export default {
 }
 
 .stat-num {
-  font-size: 32px;
+  font-size: 22px;
   font-weight: 700;
   color: #303133;
   line-height: 1.2;
 }
 
 .stat-label {
-  font-size: 14px;
+  font-size: 12px;
   color: #909399;
-  margin-top: 8px;
-}
-
-.file-preview-container {
-  padding: 8px;
+  margin-top: 2px;
 }
 
 .upload-demo {
   width: 100%;
 }
+
+/* 左右分栏布局 */
+.file-layout {
+  display: flex;
+  align-items: flex-start;
+  gap: 0;
+}
+
+.file-left {
+  flex-shrink: 0;
+}
+
+.file-right {
+  flex: 1;
+  min-width: 300px;
+}
+
+/* 拖拽分隔条 */
+.resize-handle {
+  width: 6px;
+  cursor: col-resize;
+  flex-shrink: 0;
+  align-self: stretch;
+  background: transparent;
+  position: relative;
+  transition: background-color 0.2s;
+  margin: 0 2px;
+  border-radius: 3px;
+}
+
+.resize-handle:hover,
+.resize-handle.dragging {
+  background: #409eff;
+}
+
+.resize-handle::after {
+  content: '';
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: 2px;
+  height: 30px;
+  background: #dcdfe6;
+  border-radius: 1px;
+  transition: background-color 0.2s;
+}
+
+.resize-handle:hover::after,
+.resize-handle.dragging::after {
+  background: #fff;
+}
+
+.preview-panel {
+  background: #fff;
+  border: 1px solid #ebeef5;
+  border-radius: 4px;
+  height: calc(100vh - 280px);
+  min-height: 450px;
+  display: flex;
+  flex-direction: column;
+  position: sticky;
+  top: 16px;
+}
+
+.preview-empty {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.preview-header {
+  padding: 12px 16px;
+  border-bottom: 1px solid #ebeef5;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.preview-filename {
+  font-size: 14px;
+  font-weight: 500;
+  color: #303133;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  margin-right: 12px;
+}
+
+.preview-meta {
+  padding: 8px 16px;
+  border-bottom: 1px solid #ebeef5;
+  display: flex;
+  gap: 12px;
+  align-items: center;
+  flex-wrap: wrap;
+  font-size: 12px;
+  color: #909399;
+}
+
+.preview-comment {
+  border-bottom: 1px solid #ebeef5;
+}
+
+.comment-bar {
+  padding: 8px 16px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  cursor: pointer;
+  font-size: 13px;
+  color: #606266;
+  user-select: none;
+}
+
+.comment-bar:hover {
+  background: #f5f7fa;
+}
+
+.comment-toggle {
+  color: #909399;
+  font-size: 12px;
+}
+
+.comment-body {
+  max-height: 260px;
+  overflow-y: auto;
+}
+
+.comment-hint {
+  padding: 16px;
+  text-align: center;
+  color: #909399;
+  font-size: 13px;
+}
+
+.comment-list {
+  padding: 4px 0;
+}
+
+.comment-item {
+  padding: 8px 16px;
+  border-bottom: 1px solid #f2f2f2;
+}
+
+.comment-item:last-child {
+  border-bottom: none;
+}
+
+.comment-meta {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+  font-size: 12px;
+  margin-bottom: 4px;
+}
+
+.comment-dept {
+  color: #409eff;
+  font-weight: 500;
+}
+
+.comment-user {
+  color: #606266;
+}
+
+.comment-time {
+  color: #c0c4cc;
+}
+
+.comment-text {
+  font-size: 13px;
+  color: #303133;
+  line-height: 1.5;
+  word-break: break-all;
+}
+
+.comment-input-area {
+  padding: 8px 16px;
+  border-top: 1px solid #f2f2f2;
+}
+
+.preview-content {
+  flex: 1;
+  overflow: auto;
+  display: flex;
+}
+
+.preview-content > div {
+  width: 100%;
+}
+
+.preview-not-supported {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  height: 400px;
+}
+</style>
+
+<!-- 表格选中行高亮（非 scoped，穿透 el-table） -->
+<style>
+.file-left .el-table .current-row > td {
+  background-color: #ecf5ff !important;
+}
 </style>