diff --git a/src/main/java/com/ai/da/service/impl/LLMServiceImpl.java b/src/main/java/com/ai/da/service/impl/LLMServiceImpl.java
index 34e632af..458742c5 100644
--- a/src/main/java/com/ai/da/service/impl/LLMServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/LLMServiceImpl.java
@@ -112,12 +112,10 @@ public class LLMServiceImpl implements LLMService {
 
                     // 2. 流式接收并累积内容
                     // 3. 存储系统回复
-                    int systemSeq = getNextSeq(projectId);
                     ChatMessage systemMessage = new ChatMessage();
                     systemMessage.setRole("system");
                     systemMessage.setIsImage(0);
                     systemMessage.setProjectId(projectId);
-                    systemMessage.setSeq(systemSeq);
 //                    systemMessage.setCreateTime(LocalDateTime.now());
 //                    systemMessage.setContent(responseBuilder.toString());
                     systemMessage.setAccountId(accountId);
@@ -146,11 +144,11 @@ public class LLMServiceImpl implements LLMService {
                                         }
                                     }else {
                                         if (responseContentBuilder.length() != 0) {
+                                            systemMessage.setSeq(getNextSeq(projectId));
                                             systemMessage.setCreateTime(LocalDateTime.now());
                                             systemMessage.setContent(responseContentBuilder.toString());
                                             chatMessageMapper.insert(systemMessage);
                                             systemMessage.setId(null);
-                                            systemMessage.setSeq(getNextSeq(projectId));
                                             responseContentBuilder = new StringBuilder();
                                         }
                                         JSONObject toolsData = json.getJSONObject("tools_data");
@@ -181,6 +179,7 @@ public class LLMServiceImpl implements LLMService {
                             }
                         }
                         if (responseContentBuilder.length() != 0) {
+                            systemMessage.setSeq(getNextSeq(projectId));
                             systemMessage.setCreateTime(LocalDateTime.now());
                             systemMessage.setContent(responseContentBuilder.toString());
                             chatMessageMapper.insert(systemMessage);