diff --git a/src/main/java/org/cmh/backend/Utils/GlobalExceptionHandler.java b/src/main/java/org/cmh/backend/Utils/GlobalExceptionHandler.java
index b513f14..e9d8af5 100644
--- a/src/main/java/org/cmh/backend/Utils/GlobalExceptionHandler.java
+++ b/src/main/java/org/cmh/backend/Utils/GlobalExceptionHandler.java
@@ -2,9 +2,15 @@ package org.cmh.backend.Utils;
 
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.http.converter.HttpMessageNotReadableException;
+import org.springframework.web.bind.MissingServletRequestParameterException;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
 @ControllerAdvice
 public class GlobalExceptionHandler {
 
@@ -12,4 +18,17 @@ public class GlobalExceptionHandler {
     public ResponseEntity<Object> handleJwtInvalidException(JwtValidationException ex) {
         return new ResponseEntity<>(HttpStatus.UNAUTHORIZED);
     }
+
+    @ExceptionHandler(MissingServletRequestParameterException.class)
+    public ResponseEntity<Map<String, String>> handleMissingServletRequestParameterException(MissingServletRequestParameterException ex) {
+        HashMap<String, String> response = new HashMap<>();
+        response.put("error", ex.getMessage());
+        response.put("stackTrace", Arrays.toString(ex.getStackTrace()));
+        return new ResponseEntity<>(response, HttpStatus.BAD_REQUEST);
+    }
+
+    @ExceptionHandler(HttpMessageNotReadableException.class)
+    public ResponseEntity<String> handleHttpMessageNotReadableException(HttpMessageNotReadableException ex) {
+        return new ResponseEntity<>(ex.getMessage(), HttpStatus.BAD_REQUEST);
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/org/cmh/backend/Utils/JwtVerifyAspect.java b/src/main/java/org/cmh/backend/Utils/JwtVerifyAspect.java
index 42408c9..1e341ea 100644
--- a/src/main/java/org/cmh/backend/Utils/JwtVerifyAspect.java
+++ b/src/main/java/org/cmh/backend/Utils/JwtVerifyAspect.java
@@ -1,5 +1,6 @@
 package org.cmh.backend.Utils;
 
+import org.aspectj.lang.JoinPoint;
 import org.aspectj.lang.annotation.Aspect;
 import org.aspectj.lang.annotation.Before;
 import org.springframework.stereotype.Component;
@@ -7,14 +8,26 @@ import org.springframework.stereotype.Component;
 @Aspect
 @Component
 public class JwtVerifyAspect {
-    @Before("@annotation(JwtVerify) && args(request,..)")
-    public void verifyJwtToken(Object request) throws JwtValidationException {
-        if (request instanceof JwtRequest) {
-            String token = ((JwtRequest) request).getToken();
-            if (!JwtUtil.isTokenValid(token)) {
-                throw new JwtValidationException("JWT token is invalid");
+    @Before("@annotation(JwtVerify)&&args(..)")
+    public void verifyJwtToken(JoinPoint joinPoint) throws JwtValidationException {
+        Object[] args = joinPoint.getArgs();
+        for (Object arg : args) {
+            if (arg instanceof JwtRequest jwtRequest) {
+                String token = jwtRequest.getToken();
+                if (!JwtUtil.isTokenValid(token)) {
+                    throw new JwtValidationException("请求未正确携带身份令牌");
+                }
+                return;  // 只接受第一个 JwtRequest 对象，收到后不再校验其他参数
+            }
+            // JWTRequest对象优先，否则再检查其他字符串参数
+            if (arg instanceof String token){
+                if (JwtUtil.isTokenValid(token)){
+                    // 验证成功就直接退出。
+                    return;
+                }
             }
         }
+        throw new JwtValidationException("请求未正确携带身份令牌");
     }
 }
 
diff --git a/src/main/java/org/cmh/backend/authentication/controller/UserController.java b/src/main/java/org/cmh/backend/authentication/controller/UserController.java
deleted file mode 100644
index 753f36e..0000000
--- a/src/main/java/org/cmh/backend/authentication/controller/UserController.java
+++ /dev/null
@@ -1,46 +0,0 @@
-package org.cmh.backend.authentication.controller;
-
-import org.cmh.backend.authentication.model.User;
-import org.cmh.backend.authentication.service.UserService;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.http.ResponseEntity;
-import org.springframework.security.crypto.password.PasswordEncoder;
-import org.springframework.web.bind.annotation.*;
-
-@RestController
-@RequestMapping("/users")
-public class UserController {
-    @Autowired
-    private UserService userService;
-
-    @Autowired
-    private PasswordEncoder passwordEncoder;
-
-    @GetMapping("/{username}")
-    public ResponseEntity<User> getUser(@PathVariable String username) {
-        User user = userService.getUserByUsername(username);
-        return ResponseEntity.ok(user);
-    }
-
-    @PostMapping("/register")
-    public ResponseEntity<String> registerUser(@RequestBody User user) {
-        // 检查用户名是否已经存在
-        if (userService.isUsernameTaken(user.getUsername())) {
-            return ResponseEntity.status(400).body("用户名已存在");
-        }
-        // 保存用户信息
-        userService.saveUser(user);
-        return ResponseEntity.ok("User registered successfully");
-    }
-
-    @PostMapping("/login")
-    public ResponseEntity<String> login(@RequestBody User user) {
-        // 处理登录逻辑
-        User existingUser = userService.getUserByUsername(user.getUsername());
-        if (existingUser != null && passwordEncoder.matches(user.getPassword(), existingUser.getPassword())) {
-            return ResponseEntity.ok("登录成功");
-        } else {
-            return ResponseEntity.status(401).body("用户名或密码错误");
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index bceeb5c..2a38a12 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -20,5 +20,10 @@ spring.datasource.hikari.connection-timeout=30000
 server.servlet.encoding.enabled=true
 server.servlet.encoding.force=true
 server.servlet.encoding.charset=utf-8
-
+# verificationCode
+verification.code.images.path=src/main/resources/static/verificationCodeImages
+# set the max size of a single file
+spring.servlet.multipart.max-file-size=50MB
+# set the max size of the total request
+spring.servlet.multipart.max-request-size=50MB