diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysConfigController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysConfigController.java
index 7c387901..8cbea8eb 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysConfigController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysConfigController.java
@@ -101,6 +101,17 @@ public class SysConfigController extends BaseController {
         return toAjax(configService.updateConfig(config));
     }
 
+    /**
+     * 根据参数键名修改参数配置
+     */
+    @ApiOperation("根据参数键名修改参数配置")
+    @SaCheckPermission("system:config:edit")
+    @Log(title = "参数管理", businessType = BusinessType.UPDATE)
+    @PutMapping("/updateByKey")
+    public R<Void> updateByKey(@RequestBody SysConfig config) {
+        return toAjax(configService.updateConfig(config));
+    }
+
     /**
      * 删除参数配置
      */
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysProfileController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysProfileController.java
index 6ed8454f..c69f0615 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysProfileController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysProfileController.java
@@ -109,7 +109,7 @@ public class SysProfileController extends BaseController {
      */
     @ApiOperation("头像上传")
     @ApiImplicitParams({
-        @ApiImplicitParam(name = "avatarfile", value = "用户头像", dataTypeClass = File.class, required = true),
+        @ApiImplicitParam(name = "avatarfile", value = "用户头像", paramType = "query", dataTypeClass = File.class, required = true)
     })
     @Log(title = "用户头像", businessType = BusinessType.UPDATE)
     @PostMapping("/avatar")
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/mapper/BaseMapperPlus.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/mapper/BaseMapperPlus.java
index de297935..d3f61950 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/core/mapper/BaseMapperPlus.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/mapper/BaseMapperPlus.java
@@ -106,7 +106,7 @@ public interface BaseMapperPlus<M, T, V> extends BaseMapper<T> {
         Assert.notNull(tableInfo, "error: can not execute. because can not find cache of TableInfo for entity!");
         String keyProperty = tableInfo.getKeyProperty();
         Assert.notEmpty(keyProperty, "error: can not execute. because can not find column for id from entity!");
-        return SqlHelper.saveOrUpdateBatch(this.currentModelClass(), getClass(), log, entityList, batchSize, (sqlSession, entity) -> {
+        return SqlHelper.saveOrUpdateBatch(this.currentModelClass(), this.currentMapperClass(), log, entityList, batchSize, (sqlSession, entity) -> {
             Object idVal = tableInfo.getPropertyValue(entity, keyProperty);
             String sqlStatement = SqlHelper.getSqlStatement(this.currentMapperClass(), SqlMethod.INSERT_ONE);
             return StringUtils.checkValNull(idVal)
diff --git a/ruoyi-demo/src/main/java/com/ruoyi/demo/controller/Swagger3DemoController.java b/ruoyi-demo/src/main/java/com/ruoyi/demo/controller/Swagger3DemoController.java
index b0f0b3bc..e50ce03a 100644
--- a/ruoyi-demo/src/main/java/com/ruoyi/demo/controller/Swagger3DemoController.java
+++ b/ruoyi-demo/src/main/java/com/ruoyi/demo/controller/Swagger3DemoController.java
@@ -11,6 +11,8 @@ import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import java.io.File;
+
 /**
  * swagger3 用法示例
  *
@@ -24,11 +26,10 @@ public class Swagger3DemoController {
     /**
      * 上传请求
      * 必须使用 @RequestPart 注解标注为文件
-     * dataType 必须为 "java.io.File"
      */
     @ApiOperation(value = "通用上传请求")
     @ApiImplicitParams({
-        @ApiImplicitParam(name = "file", value = "文件", dataType = "java.io.File", required = true),
+        @ApiImplicitParam(name = "file", value = "文件", paramType = "query", dataTypeClass = File.class, required = true)
     })
     @PostMapping(value = "/upload")
     public R<String> upload(@RequestPart("file") MultipartFile file) {
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
index 3170700b..9e6e6c31 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
@@ -136,7 +136,13 @@ public class SysConfigServiceImpl implements ISysConfigService, ConfigService {
      */
     @Override
     public int updateConfig(SysConfig config) {
-        int row = baseMapper.updateById(config);
+        int row = 0;
+        if (config.getConfigId() != null) {
+            row = baseMapper.updateById(config);
+        } else {
+            row = baseMapper.update(config, new LambdaQueryWrapper<SysConfig>()
+                .eq(SysConfig::getConfigKey, config.getConfigKey()));
+        }
         if (row > 0) {
             RedisUtils.setCacheObject(getCacheKey(config.getConfigKey()), config.getConfigValue());
         }
diff --git a/ruoyi-ui/src/api/system/config.js b/ruoyi-ui/src/api/system/config.js
index c1932848..02f0cfcd 100644
--- a/ruoyi-ui/src/api/system/config.js
+++ b/ruoyi-ui/src/api/system/config.js
@@ -43,6 +43,18 @@ export function updateConfig(data) {
   })
 }
 
+// 修改参数配置
+export function updateConfigByKey(key, value) {
+  return request({
+    url: '/system/config/updateByKey',
+    method: 'put',
+    data: {
+      configKey: key,
+      configValue: value
+    }
+  })
+}
+
 // 删除参数配置
 export function delConfig(configId) {
   return request({
diff --git a/ruoyi-ui/src/api/system/oss.js b/ruoyi-ui/src/api/system/oss.js
index b98bd1f0..83adca54 100644
--- a/ruoyi-ui/src/api/system/oss.js
+++ b/ruoyi-ui/src/api/system/oss.js
@@ -17,13 +17,3 @@ export function delOss(ossId) {
   })
 }
 
-export function changePreviewListResource(previewListResource) {
-  const data = {
-    previewListResource
-  }
-  return request({
-    url: '/system/oss/changePreviewListResource',
-    method: 'put',
-    data: data
-  })
-}
diff --git a/ruoyi-ui/src/main.js b/ruoyi-ui/src/main.js
index 13c6cf29..1e0144f4 100644
--- a/ruoyi-ui/src/main.js
+++ b/ruoyi-ui/src/main.js
@@ -17,7 +17,7 @@ import { download } from '@/utils/request'
 import './assets/icons' // icon
 import './permission' // permission control
 import { getDicts } from "@/api/system/dict/data";
-import { getConfigKey } from "@/api/system/config";
+import { getConfigKey, updateConfigByKey } from "@/api/system/config";
 import { parseTime, resetForm, addDateRange, selectDictLabel, selectDictLabels, handleTree } from "@/utils/ruoyi";
 // 分页组件
 import Pagination from "@/components/Pagination";
@@ -41,6 +41,7 @@ import DictData from '@/components/DictData'
 // 全局方法挂载
 Vue.prototype.getDicts = getDicts
 Vue.prototype.getConfigKey = getConfigKey
+Vue.prototype.updateConfigByKey = updateConfigByKey
 Vue.prototype.parseTime = parseTime
 Vue.prototype.resetForm = resetForm
 Vue.prototype.addDateRange = addDateRange
diff --git a/ruoyi-ui/src/views/system/oss/index.vue b/ruoyi-ui/src/views/system/oss/index.vue
index fdfed165..ac8b0297 100644
--- a/ruoyi-ui/src/views/system/oss/index.vue
+++ b/ruoyi-ui/src/views/system/oss/index.vue
@@ -187,7 +187,7 @@
 </template>
 
 <script>
-import { listOss, delOss, changePreviewListResource } from "@/api/system/oss";
+import { listOss, delOss } from "@/api/system/oss";
 
 export default {
   name: "Oss",
@@ -344,7 +344,7 @@ export default {
     handlePreviewListResource(previewListResource) {
       let text = previewListResource ? "启用" : "停用";
       this.$modal.confirm('确认要"' + text + '""预览列表图片"配置吗?').then(() => {
-        return changePreviewListResource(previewListResource);
+        return this.updateConfigByKey("sys.oss.previewListResource", previewListResource);
       }).then(() => {
         this.getList()
         this.$modal.msgSuccess(text + "成功");