diff --git a/ai-service/src/main/java/com/bw/ai/emotionextract/service/impl/EmotionExtractServiceImpl.java b/ai-service/src/main/java/com/bw/ai/emotionextract/service/impl/EmotionExtractServiceImpl.java
index a21b807..cc1f2ab 100644
--- a/ai-service/src/main/java/com/bw/ai/emotionextract/service/impl/EmotionExtractServiceImpl.java
+++ b/ai-service/src/main/java/com/bw/ai/emotionextract/service/impl/EmotionExtractServiceImpl.java
@@ -71,9 +71,9 @@ public class EmotionExtractServiceImpl implements EmotionExtractService {
 	        	String fileName = UUID.randomUUID().toString() + "." + format;
 				String downloadFilePath = downloadFilePathPrefix + fileName;
 	        	DownLoadUtil.downloadFile(reference, downloadFilePath);
+	        	reference = FileUtil.readFile(downloadFilePath);
 	        	//删除文件
 	        	FileUtil.delFile(downloadFilePath);
-				reference = FileUtil.readFile(downloadFilePath);
 			}
 			//获取
 			String question = null;
diff --git a/opai-api/src/main/java/com/bw/opai/auth/controller/OpaiAuthController.java b/opai-api/src/main/java/com/bw/opai/auth/controller/OpaiAuthController.java
index 3c4bcc4..2ec49d7 100644
--- a/opai-api/src/main/java/com/bw/opai/auth/controller/OpaiAuthController.java
+++ b/opai-api/src/main/java/com/bw/opai/auth/controller/OpaiAuthController.java
@@ -1,5 +1,7 @@
 package com.bw.opai.auth.controller;
 
+import java.util.Map;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -30,7 +32,7 @@ public class OpaiAuthController {
      * 逻辑：透传给远端认证中心
      */
     @PostMapping("/login")
-    public Res<String> login(@RequestBody LoginRequest loginReq) {
+    public Res<Map<String, String>> login(@RequestBody LoginRequest loginReq) {
         // 1. 基本参数校验
         if (loginReq == null || loginReq.getUsername() == null) {
             return Res.fail("用户名不能为空");
diff --git a/opai-api/src/main/java/com/bw/opai/auth/interceptor/AuthInterceptor.java b/opai-api/src/main/java/com/bw/opai/auth/interceptor/AuthInterceptor.java
index 8478317..701a166 100644
--- a/opai-api/src/main/java/com/bw/opai/auth/interceptor/AuthInterceptor.java
+++ b/opai-api/src/main/java/com/bw/opai/auth/interceptor/AuthInterceptor.java
@@ -26,6 +26,10 @@ public class AuthInterceptor implements HandlerInterceptor {
 
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
+    	if ("OPTIONS".equalsIgnoreCase(request.getMethod())) {
+    	    return true;
+    	}
+
         // 1. 拿到 Token (逻辑参考)
         String token = request.getHeader("Authorization");
         if (token == null) {
diff --git a/opai-api/src/main/java/com/bw/opai/auth/service/IRemoteAuthService.java b/opai-api/src/main/java/com/bw/opai/auth/service/IRemoteAuthService.java
index b73cd78..4eb3dcc 100644
--- a/opai-api/src/main/java/com/bw/opai/auth/service/IRemoteAuthService.java
+++ b/opai-api/src/main/java/com/bw/opai/auth/service/IRemoteAuthService.java
@@ -1,5 +1,7 @@
 package com.bw.opai.auth.service;
 
+import java.util.Map;
+
 import com.bw.opai.auth.dto.UserDTO;
 import com.bw.opai.auth.entity.SysUser;
 import com.bw.opai.common.Res;
@@ -13,7 +15,7 @@ import com.bw.opai.common.Res;
 public interface IRemoteAuthService {
 	
 	/*** 登录中转 ***/
-    Res<String> remoteLogin(String username, String password);
+    Res<Map<String, String>> remoteLogin(String username, String password);
     /*** 注册中转 ***/
     Res<String> remoteRegister(SysUser user);
     /*** 核心鉴权：拿着 token 去 Auth-Server 换 UserDTO ***/
diff --git a/opai-api/src/main/java/com/bw/opai/auth/service/impl/RemoteAuthServiceImpl.java b/opai-api/src/main/java/com/bw/opai/auth/service/impl/RemoteAuthServiceImpl.java
index abeb934..35406f4 100644
--- a/opai-api/src/main/java/com/bw/opai/auth/service/impl/RemoteAuthServiceImpl.java
+++ b/opai-api/src/main/java/com/bw/opai/auth/service/impl/RemoteAuthServiceImpl.java
@@ -1,6 +1,8 @@
 package com.bw.opai.auth.service.impl;
 
 
+import java.util.Map;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -45,7 +47,7 @@ public class RemoteAuthServiceImpl implements IRemoteAuthService {
     private Long appId;
 
     @Override
-    public Res<String> remoteLogin(String username, String password) {
+    public Res<Map<String, String>> remoteLogin(String username, String password) {
         String url = authUrl + "/auth/login";
         
         LoginRequest loginReq = new LoginRequest();
diff --git a/opai-api/src/main/java/com/bw/opai/exception/GlobalExceptionHandler.java b/opai-api/src/main/java/com/bw/opai/exception/GlobalExceptionHandler.java
index 5713462..4c5310d 100644
--- a/opai-api/src/main/java/com/bw/opai/exception/GlobalExceptionHandler.java
+++ b/opai-api/src/main/java/com/bw/opai/exception/GlobalExceptionHandler.java
@@ -23,6 +23,9 @@ public class GlobalExceptionHandler {
     @ExceptionHandler(BizException.class)
     public Res<?> handleBizException(BizException e) {
         log.error("业务异常: {}", e.getMsg());
+        if(e.getMsg().equals("缺失凭证") || e.getMsg().equals("凭证无效")) {
+        	return Res.unAuth("登录无效");
+        }
         return Res.fail(e.getMsg());
     }
 
@@ -32,6 +35,9 @@ public class GlobalExceptionHandler {
     @ExceptionHandler(RuntimeException.class)
     public Res<?> handleRuntimeException(RuntimeException e) {
         log.error("运行时异常: ", e);
+        if(e.getMessage().equals("缺失凭证") || e.getMessage().equals("凭证无效")) {
+        	return Res.unAuth("登录无效");
+        }
         return Res.fail(e.getMessage());
     }
 
diff --git a/opai-api/src/main/java/com/bw/opai/file/service/impl/FileServiceImpl.java b/opai-api/src/main/java/com/bw/opai/file/service/impl/FileServiceImpl.java
index 757a4b2..8c06e10 100644
--- a/opai-api/src/main/java/com/bw/opai/file/service/impl/FileServiceImpl.java
+++ b/opai-api/src/main/java/com/bw/opai/file/service/impl/FileServiceImpl.java
@@ -2,6 +2,7 @@ package com.bw.opai.file.service.impl;
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.UUID;
 
 import org.apache.http.HttpEntity;
 import org.apache.http.client.methods.CloseableHttpResponse;
@@ -15,6 +16,7 @@ import org.apache.http.util.EntityUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.cloud.context.config.annotation.RefreshScope;
 import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
 import org.springframework.web.multipart.MultipartFile;
 
 import com.alibaba.fastjson.JSONObject;
@@ -55,13 +57,14 @@ public class FileServiceImpl implements FileService {
 
 	        MultipartEntityBuilder builder = MultipartEntityBuilder.create();
 	        builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
-
+	        
+	        String newFileName =  UUID.randomUUID() + "." + StringUtils.getFilenameExtension(file.getOriginalFilename());
 	        // 文件流
 	        builder.addBinaryBody(
 	                "file",
 	                file.getInputStream(),
 	                ContentType.APPLICATION_OCTET_STREAM,
-	                file.getOriginalFilename()
+	                newFileName
 	        );
 	        // 👇 关键：要求 GoFast 返回 JSON
 	        builder.addTextBody("output", "json");