diff --git a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/ChatController.java b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/ChatController.java
index 6a2c6527..012f561f 100644
--- a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/ChatController.java
+++ b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/ChatController.java
@@ -367,7 +367,12 @@ public class ChatController {
         if (CollectionUtils.isEmpty(tableNames)) {
             return Maps.newHashMap();
         }
-        List<TableColumn> tableColumns = tableService.queryColumns(tableQueryParam);
+        List<TableColumn> tableColumns = Lists.newArrayList();
+        try {
+            tableColumns = tableService.queryColumns(tableQueryParam);
+        } catch (Exception exception) {
+            log.error("query table error, do nothing");
+        }
         if (CollectionUtils.isEmpty(tableColumns)) {
             return Maps.newHashMap();
         }
diff --git a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/listener/AzureOpenAIEventSourceListener.java b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/listener/AzureOpenAIEventSourceListener.java
index ceccaf95..81d9e329 100644
--- a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/listener/AzureOpenAIEventSourceListener.java
+++ b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/listener/AzureOpenAIEventSourceListener.java
@@ -110,11 +110,6 @@ public class AzureOpenAIEventSourceListener extends EventSourceListener {
         try {
             if (Objects.isNull(response)) {
                 String message = t.getMessage();
-                if ("No route to host".equals(message)) {
-                    message = "网络连接超时，请检查网络连通性，参考文章<https://github.com/chat2db/Chat2DB/blob/main/CHAT2DB_AI_SQL.md>";
-                } else {
-                    message = "Azure AI无法正常访问，请参考文章<https://github.com/chat2db/Chat2DB/blob/main/CHAT2DB_AI_SQL.md>进行配置";
-                }
                 Message sseMessage = new Message();
                 sseMessage.setContent(message);
                 sseEmitter.send(SseEmitter.event()