diff --git a/src/main/java/com/vibevault/exception/GlobalExceptionHandler.java b/src/main/java/com/vibevault/exception/GlobalExceptionHandler.java
index 04a3d44..5583ab9 100644
--- a/src/main/java/com/vibevault/exception/GlobalExceptionHandler.java
+++ b/src/main/java/com/vibevault/exception/GlobalExceptionHandler.java
@@ -1,17 +1,18 @@
 package com.vibevault.exception;
 
 import org.springframework.http.HttpStatus;
+import org.springframework.http.HttpStatusCode;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 import org.springframework.web.server.ResponseStatusException;
 
-import java.time.LocalDateTime;
+import java.util.HashMap;
 import java.util.Map;
 
 /**
  * 全局异常处理器
- * 
+ *
  * 需要实现：
  * - 捕获 ResourceNotFoundException 并返回 404 状态码
  * - 捕获 UnauthorizedException 并返回 403 状态码
@@ -21,11 +22,44 @@ import java.util.Map;
 @RestControllerAdvice
 public class GlobalExceptionHandler {
 
-    // TODO: 实现 ResourceNotFoundException 处理器 (返回 404)
+    // 处理 ResourceNotFoundException（返回404）
+    @ExceptionHandler(ResourceNotFoundException.class)
+    public ResponseEntity<Map<String, Object>> handleResourceNotFound(ResourceNotFoundException ex) {
+        Map<String, Object> error = buildErrorResponse(ex.getMessage(), HttpStatus.NOT_FOUND);
+        return new ResponseEntity<>(error, HttpStatus.NOT_FOUND);
+    }
 
-    // TODO: 实现 UnauthorizedException 处理器 (返回 403)
+    // 处理 UnauthorizedException（返回403）
+    @ExceptionHandler(UnauthorizedException.class)
+    public ResponseEntity<Map<String, Object>> handleUnauthorized(UnauthorizedException ex) {
+        Map<String, Object> error = buildErrorResponse(ex.getMessage(), HttpStatus.FORBIDDEN);
+        return new ResponseEntity<>(error, HttpStatus.FORBIDDEN);
+    }
 
-    // TODO: 实现 ResponseStatusException 处理器
+    // 处理 ResponseStatusException（返回对应状态码）
+    @ExceptionHandler(ResponseStatusException.class)
+    public ResponseEntity<Map<String, Object>> handleResponseStatus(ResponseStatusException ex) {
+        Map<String, Object> error = buildErrorResponse(ex.getReason(), ex.getStatusCode());
+        return new ResponseEntity<>(error, ex.getStatusCode());
+    }
 
-    // TODO [Advanced]: 实现通用异常处理器
-}
+    // [Advanced] 统一处理其他异常（返回500）
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<Map<String, Object>> handleGenericException(Exception ex) {
+        Map<String, Object> error = buildErrorResponse(
+                "An unexpected error occurred: " + ex.getMessage(),
+                HttpStatus.INTERNAL_SERVER_ERROR
+        );
+        return new ResponseEntity<>(error, HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+
+    // 构建统一的错误响应格式
+    private Map<String, Object> buildErrorResponse(String message, HttpStatusCode status) {
+        Map<String, Object> error = new HashMap<>();
+        error.put("timestamp", java.time.LocalDateTime.now().toString());
+        error.put("status", status.value());
+        error.put("error", status instanceof HttpStatus ? ((HttpStatus) status).getReasonPhrase() : "Unknown Error");
+        error.put("message", message);
+        return error;
+    }
+}
\ No newline at end of file