diff --git a/src/main/java/com/coscoshipping/ebtp/system/user/controller/SysSupplierUserController.java b/src/main/java/com/coscoshipping/ebtp/system/user/controller/SysSupplierUserController.java
index 1520d52..5a8a91d 100644
--- a/src/main/java/com/coscoshipping/ebtp/system/user/controller/SysSupplierUserController.java
+++ b/src/main/java/com/coscoshipping/ebtp/system/user/controller/SysSupplierUserController.java
@@ -112,4 +112,24 @@ public class SysSupplierUserController {
     public BaseResponse<Boolean> checkUsername(@ApiParam(value = "用户名", required = true) @RequestParam String username) {
         return BaseResponse.success(sysSupplierUserService.checkUsernameUnique(username));
     }
+
+    /**
+     * 重置供应商用户密码
+     * @param username 用户名
+     * @return 重置结果
+     */
+    @ApiOperation("重置供应商用户密码")
+    @PostMapping("/resetPassword")
+    public BaseResponse<Boolean> resetPassword(@ApiParam(value = "用户名", required = true) @RequestParam String username) {
+        try {
+            Boolean result = sysSupplierUserService.resetPassword(username);
+            if (result) {
+                log.info("密码重置成功，用户：{}", username);
+            }
+            return BaseResponse.success(result);
+        } catch (Exception e) {
+            log.error("密码重置异常，用户：{}", username, e);
+            return BaseResponse.success(false);
+        }
+    }
 } 
\ No newline at end of file
diff --git a/src/main/java/com/coscoshipping/ebtp/system/user/service/SysSupplierUserService.java b/src/main/java/com/coscoshipping/ebtp/system/user/service/SysSupplierUserService.java
index 9877744..e14877d 100644
--- a/src/main/java/com/coscoshipping/ebtp/system/user/service/SysSupplierUserService.java
+++ b/src/main/java/com/coscoshipping/ebtp/system/user/service/SysSupplierUserService.java
@@ -61,4 +61,11 @@ public interface SysSupplierUserService extends IBaseService<SysSupplierUser> {
      * @return 是否唯一
      */
     Boolean checkUsernameUnique(String username);
+
+    /**
+     * 重置供应商用户密码为统一重置密码，并设置首次登录标识
+     * @param username 用户名
+     * @return 是否重置成功
+     */
+    Boolean resetPassword(String username);
 }
diff --git a/src/main/java/com/coscoshipping/ebtp/system/user/service/impl/SysSupplierUserServiceImpl.java b/src/main/java/com/coscoshipping/ebtp/system/user/service/impl/SysSupplierUserServiceImpl.java
index 6c4457a..5a84323 100644
--- a/src/main/java/com/coscoshipping/ebtp/system/user/service/impl/SysSupplierUserServiceImpl.java
+++ b/src/main/java/com/coscoshipping/ebtp/system/user/service/impl/SysSupplierUserServiceImpl.java
@@ -162,4 +162,22 @@ public class SysSupplierUserServiceImpl extends BaseServiceImpl<SysSupplierUserM
         queryWrapper.eq(SysSupplierUser::getUsername, username);
         return baseMapper.selectCount(queryWrapper) == 0;
     }
+
+    @Override
+    public Boolean resetPassword(String username) {
+        LambdaQueryWrapper<SysSupplierUser> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(SysSupplierUser::getUsername, username);
+        SysSupplierUser user = baseMapper.selectOne(queryWrapper);
+        if (user == null) {
+            return false;
+        }
+        
+        // 使用配置中的重置密码
+        String tempPassword = resetPassword;
+        user.setPassword(Md5Util.encode(tempPassword));
+        user.setFirstLogin(1); // 设置首次登录标识
+        user.setUpdateDate(LocalDateTime.now());
+        
+        return baseMapper.updateById(user) > 0;
+    }
 }