diff --git a/src/main/java/com/gxwebsoft/common/system/controller/UserController.java b/src/main/java/com/gxwebsoft/common/system/controller/UserController.java
index 6b0af41..6d6bbe9 100644
--- a/src/main/java/com/gxwebsoft/common/system/controller/UserController.java
+++ b/src/main/java/com/gxwebsoft/common/system/controller/UserController.java
@@ -412,4 +412,14 @@ public class UserController extends BaseController {
       return success("统计成功",totalBalance);
     }
 
+    @PreAuthorize("hasAuthority('sys:auth:user')")
+    @PutMapping("/updateUserMerchantId")
+    @ApiOperation("更新商户ID")
+    public ApiResult<?> updateUserMerchantId(@RequestBody User user){
+      if (userService.updateUser(user)) {
+        return success("更新成功");
+      }
+      return fail("更新失败");
+    }
+
 }