diff --git a/backend/generation-service/src/main/java/com/artedu/generation/controller/GenerationController.java b/backend/generation-service/src/main/java/com/artedu/generation/controller/GenerationController.java
index dbdce6d..1db6301 100644
--- a/backend/generation-service/src/main/java/com/artedu/generation/controller/GenerationController.java
+++ b/backend/generation-service/src/main/java/com/artedu/generation/controller/GenerationController.java
@@ -324,7 +324,7 @@ public class GenerationController {
                     }
                     count++;
                 }
-
+                String chatContext = sb.toString();
                 String generated = "";
                 //如果最后几条都是客户消息返回不为空，则直接返回结果，否则走原逻辑
                 if (!StringUtils.isBlank(external_str)){ //不为空 发起知识库的查询
@@ -339,9 +339,20 @@ public class GenerationController {
                             String res = qianwenClient.generate(promptNew, 800);
                             generated = generated + res + "|||";
                         }
+                        if(StringUtils.isNotBlank(generated)){
+                            String[] parts = generated.split("\\|\\|\\|");
+                            if(parts.length<3){
+                                for (int i = 0; i < 3-parts.length; i++) {
+                                    String systemPrompt = promptEngine.buildSystemPrompt(chatContext, staffName);
+                                    String generatedNew = qianwenClient.generate(systemPrompt, "", 1200);
+                                    generated = generated + generatedNew;
+                                }
+                            }
+                        }
+
                     }
                 }
-                String chatContext = sb.toString();
+
                 if (chatContext == null || chatContext.isEmpty()) {
                     Map<String, Object> err = new HashMap<>();
                     err.put("type", "error");