diff --git a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/controller/AiCompareController.java b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/controller/AiCompareController.java
index e8844cf..f0a8c3f 100644
--- a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/controller/AiCompareController.java
+++ b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/controller/AiCompareController.java
@@ -1,15 +1,13 @@
 package com.volvo.ai.analytic.center.controller;
 
+import com.volvo.ai.analytic.center.exception.BizException;
 import com.volvo.ai.analytic.center.service.impl.DeepSeekServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.configurationprocessor.json.JSONException;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
-import java.io.IOException;
-
 @RestController
 @RequestMapping("/api/v1")
 public class AiCompareController {
@@ -18,9 +16,11 @@ public class AiCompareController {
     private DeepSeekServiceImpl deepSeekService;
 
     @GetMapping("/chat1")
-    public String chat1(
-            @RequestParam(value = "source") String source,@RequestParam(value = "target") String tag
-    ) throws IOException, JSONException {
-        return deepSeekService.chat(source, tag);
+    public String chat1(  @RequestParam(value = "source") String source,@RequestParam(value = "target") String tag   )  {
+        try {
+            return deepSeekService.chat(source, tag);
+        }  catch (Exception e) {
+            throw new BizException(e.getMessage());
+        }
     }
 }