diff --git a/klp-pocket/src/main/java/com/klp/pocket/acid/controller/AcidTypingController.java b/klp-pocket/src/main/java/com/klp/pocket/acid/controller/AcidTypingController.java
new file mode 100644
index 00000000..d11fb8fc
--- /dev/null
+++ b/klp-pocket/src/main/java/com/klp/pocket/acid/controller/AcidTypingController.java
@@ -0,0 +1,26 @@
+package com.klp.pocket.acid.controller;
+
+import com.klp.common.core.controller.BaseController;
+import com.klp.common.core.domain.R;
+import com.klp.pocket.acid.domain.vo.AcidTypingPrefillVo;
+import com.klp.pocket.acid.service.IAcidTypingService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/pocket/acidTyping")
+public class AcidTypingController extends BaseController {
+
+    private final IAcidTypingService acidTypingService;
+
+    @GetMapping("/prefill")
+    public R<AcidTypingPrefillVo> getTypingPrefill(@RequestParam String currentCoilNo) {
+        AcidTypingPrefillVo vo = acidTypingService.getTypingPrefillByCurrentCoilNo(currentCoilNo);
+        return R.ok(vo);
+    }
+}
+
diff --git a/klp-pocket/src/main/java/com/klp/pocket/acid/domain/vo/AcidTypingPrefillVo.java b/klp-pocket/src/main/java/com/klp/pocket/acid/domain/vo/AcidTypingPrefillVo.java
new file mode 100644
index 00000000..8b671ad0
--- /dev/null
+++ b/klp-pocket/src/main/java/com/klp/pocket/acid/domain/vo/AcidTypingPrefillVo.java
@@ -0,0 +1,27 @@
+package com.klp.pocket.acid.domain.vo;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+/**
+ * 酸连轧工序：typing页面表单预填数据
+ */
+@Data
+public class AcidTypingPrefillVo {
+
+    /** 当前钢卷号（来自klptcm1_pdo_excoil.encoilid） */
+    private String currentCoilNo;
+
+    /** 出口卷号（klptcm1_pdo_excoil.excoilid） */
+    private String excoilId;
+
+    /** 出口重量（t） */
+    private BigDecimal exitWeight;
+
+    /** 出口长度（m） */
+    private BigDecimal exitLength;
+
+    /** 班组（格式：shift-crew，例如：甲-A） */
+    private String team;
+}
diff --git a/klp-pocket/src/main/java/com/klp/pocket/acid/mapper/AcidTypingMapper.java b/klp-pocket/src/main/java/com/klp/pocket/acid/mapper/AcidTypingMapper.java
new file mode 100644
index 00000000..a51536f2
--- /dev/null
+++ b/klp-pocket/src/main/java/com/klp/pocket/acid/mapper/AcidTypingMapper.java
@@ -0,0 +1,12 @@
+package com.klp.pocket.acid.mapper;
+
+import com.klp.pocket.acid.domain.vo.AcidTypingPrefillVo;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+@Mapper
+public interface AcidTypingMapper {
+
+    AcidTypingPrefillVo selectTypingPrefillByEncoilId(@Param("encoilId") String encoilId);
+}
+
diff --git a/klp-pocket/src/main/java/com/klp/pocket/acid/service/IAcidTypingService.java b/klp-pocket/src/main/java/com/klp/pocket/acid/service/IAcidTypingService.java
new file mode 100644
index 00000000..c63ab7f3
--- /dev/null
+++ b/klp-pocket/src/main/java/com/klp/pocket/acid/service/IAcidTypingService.java
@@ -0,0 +1,9 @@
+package com.klp.pocket.acid.service;
+
+import com.klp.pocket.acid.domain.vo.AcidTypingPrefillVo;
+
+public interface IAcidTypingService {
+
+    AcidTypingPrefillVo getTypingPrefillByCurrentCoilNo(String currentCoilNo);
+}
+
diff --git a/klp-pocket/src/main/java/com/klp/pocket/acid/service/impl/AcidTypingServiceImpl.java b/klp-pocket/src/main/java/com/klp/pocket/acid/service/impl/AcidTypingServiceImpl.java
new file mode 100644
index 00000000..28813cab
--- /dev/null
+++ b/klp-pocket/src/main/java/com/klp/pocket/acid/service/impl/AcidTypingServiceImpl.java
@@ -0,0 +1,22 @@
+package com.klp.pocket.acid.service.impl;
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.klp.pocket.acid.domain.vo.AcidTypingPrefillVo;
+import com.klp.pocket.acid.mapper.AcidTypingMapper;
+import com.klp.pocket.acid.service.IAcidTypingService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@RequiredArgsConstructor
+@DS("acid")
+@Service
+public class AcidTypingServiceImpl implements IAcidTypingService {
+
+    private final AcidTypingMapper acidTypingMapper;
+
+    @Override
+    public AcidTypingPrefillVo getTypingPrefillByCurrentCoilNo(String currentCoilNo) {
+        return acidTypingMapper.selectTypingPrefillByEncoilId(currentCoilNo);
+    }
+}
+
diff --git a/klp-pocket/src/main/resources/mapper/pocket/AcidTypingMapper.xml b/klp-pocket/src/main/resources/mapper/pocket/AcidTypingMapper.xml
new file mode 100644
index 00000000..d173ec13
--- /dev/null
+++ b/klp-pocket/src/main/resources/mapper/pocket/AcidTypingMapper.xml
@@ -0,0 +1,19 @@
+<?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.pocket.acid.mapper.AcidTypingMapper">
+
+    <select id="selectTypingPrefillByEncoilId" resultType="com.klp.pocket.acid.domain.vo.AcidTypingPrefillVo">
+        SELECT
+            e.ENCOILID AS currentCoilNo,
+            e.EXCOILID AS excoilId,
+            e.EXIT_WEIGHT AS exitWeight,
+            NULL AS exitLength,
+            CONCAT(e.SHIFT, '-', e.CREW) AS team
+        FROM klptcm1_pdo_excoil e
+        WHERE e.ENCOILID = #{encoilId}
+        ORDER BY e.INSDATE DESC
+        LIMIT 1
+    </select>
+
+</mapper>
+
diff --git a/klp-ui/src/api/pocket/acidTyping.js b/klp-ui/src/api/pocket/acidTyping.js
new file mode 100644
index 00000000..8cebf1d7
--- /dev/null
+++ b/klp-ui/src/api/pocket/acidTyping.js
@@ -0,0 +1,10 @@
+import request from '@/utils/request'
+
+export function getAcidTypingPrefill(currentCoilNo) {
+  return request({
+    url: '/pocket/acidTyping/prefill',
+    method: 'get',
+    params: { currentCoilNo }
+  })
+}
+
diff --git a/klp-ui/src/views/wms/coil/panels/do.vue b/klp-ui/src/views/wms/coil/panels/do.vue
index 1390e4a7..1b949a34 100644
--- a/klp-ui/src/views/wms/coil/panels/do.vue
+++ b/klp-ui/src/views/wms/coil/panels/do.vue
@@ -832,11 +832,14 @@ export default {
         }
 
         // 跳转并传递参数
+        const currentActionTypeLabel = this.$route?.query?.actionType
+
         this.$router.push({
           path: path,
           query: {
             coilId: row.coilId,
-            actionId: row.actionId
+            actionId: row.actionId,
+            ...(currentActionTypeLabel ? { actionType: currentActionTypeLabel } : {})
           }
         })
       }).catch(error => {
diff --git a/klp-ui/src/views/wms/coil/typing.vue b/klp-ui/src/views/wms/coil/typing.vue
index fa51fa68..f04ea961 100644
--- a/klp-ui/src/views/wms/coil/typing.vue
+++ b/klp-ui/src/views/wms/coil/typing.vue
@@ -12,6 +12,15 @@
       </div>
     </div>
 
+    <el-alert
+      v-if="acidPrefill.visible"
+      :title="acidPrefill.title"
+      :type="acidPrefill.type"
+      :closable="false"
+      show-icon
+      style="margin-bottom: 20px;"
+    />
+
     <!-- 主内容区 - 左右布局 -->
     <div class="content-wrapper">
       <!-- 左侧：当前信息 -->
@@ -255,6 +264,7 @@ import { completeAction } from '@/api/wms/pendingAction';
 import { listWarehouse } from '@/api/wms/warehouse';
 import { listRawMaterialWithBom } from '@/api/wms/rawMaterial';
 import { listProductWithBom } from '@/api/wms/product';
+import { getAcidTypingPrefill } from '@/api/pocket/acidTyping';
 import ActualWarehouseSelect from "@/components/KLPService/ActualWarehouseSelect";
 import RawMaterialSelect from "@/components/KLPService/RawMaterialSelect";
 import ProductSelect from "@/components/KLPService/ProductSelect";
@@ -358,6 +368,12 @@ export default {
       warehouseList: [],
       historySteps: [],
       actionId: null,
+      acidPrefill: {
+        visible: false,
+        type: 'info',
+        title: ''
+      },
+      isAcidRolling: false,
       // 原材料和产品列表（实时搜索，不再保存完整备份）
       rawMaterialList: [],
       productList: [],
@@ -411,10 +427,67 @@ export default {
     // 从路由参数获取coilId和actionId
     const coilId = this.$route.query.coilId;
     const actionId = this.$route.query.actionId;
+    const actionType = this.$route.query.actionType;
     const readonly = this.$route.query.readonly;
 
+    this.isAcidRolling = actionType === '酸连轧工序'
+
+    if (this.isAcidRolling) {
+      this.acidPrefill.visible = true
+      this.acidPrefill.type = 'info'
+      this.acidPrefill.title = '正在结合酸轧二级系统自动填写部分信息...'
+    }
+
     if (coilId) {
       await this.loadCoilInfo(coilId);
+
+      if (this.isAcidRolling) {
+        const currentCoilNo = this.currentInfo && this.currentInfo.currentCoilNo
+        console.log('[typing] acid rolling actionType detected, will call prefill API with currentCoilNo (encoilid)=', currentCoilNo)
+
+        if (!currentCoilNo) {
+          this.acidPrefill.type = 'warning'
+          this.acidPrefill.title = '当前钢卷号为空'
+        } else {
+          try {
+            const prefillRes = await getAcidTypingPrefill(currentCoilNo)
+            const prefill = prefillRes && prefillRes.data
+
+            if (!prefill) {
+              this.acidPrefill.type = 'info'
+              this.acidPrefill.title = '未在二级系统中查找到对应信息，请自行填写'
+            } else {
+              if (prefill.exitWeight != null && prefill.exitWeight !== '') {
+                const w = Number(prefill.exitWeight)
+                if (!Number.isNaN(w)) {
+                  this.$set(this.updateForm, 'grossWeight', w)
+                  this.$set(this.updateForm, 'netWeight', w)
+                }
+              }
+
+              if (prefill.exitLength != null && prefill.exitLength !== '') {
+                const len = Number(prefill.exitLength)
+                if (!Number.isNaN(len)) {
+                  this.$set(this.updateForm, 'length', len)
+                }
+              }
+
+              if (prefill.team) {
+                this.$set(this.updateForm, 'team', prefill.team)
+              }
+
+              this.acidPrefill.type = 'success'
+              this.acidPrefill.title = '已结合酸轧二级系统完成部分信息填写'
+
+              console.log('[typing] acid rolling prefill applied:', prefill)
+            }
+          } catch (e) {
+            console.error('[typing] acid rolling prefill request failed:', e)
+            this.acidPrefill.type = 'error'
+            this.acidPrefill.title = '未在二级系统中查找到对应信息，故自动填写失败'
+          }
+        }
+      }
     }
 
     if (actionId) {