diff --git a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/aspect/ConnectionInfoHandler.java b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/aspect/ConnectionInfoHandler.java
index 0871a288..472538d1 100644
--- a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/aspect/ConnectionInfoHandler.java
+++ b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/aspect/ConnectionInfoHandler.java
@@ -60,7 +60,7 @@ public class ConnectionInfoHandler {
     public ConnectInfo toInfo(Long dataSourceId, String database, Long consoleId) {
         DataResult<DataSource> result = dataSourceService.queryById(dataSourceId);
         DataSource dataSource = result.getData();
-        if (!result.success() && dataSource == null) {
+        if (!result.success() || dataSource == null) {
             throw new ParamBusinessException("dataSourceId");
         }
         ConnectInfo connectInfo = new ConnectInfo();
diff --git a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/rdb/request/TableBriefQueryRequest.java b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/rdb/request/TableBriefQueryRequest.java
index 2c9ea3fc..e8ba850d 100644
--- a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/rdb/request/TableBriefQueryRequest.java
+++ b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/rdb/request/TableBriefQueryRequest.java
@@ -27,7 +27,6 @@ public class TableBriefQueryRequest extends PageQueryRequest implements DataSour
     /**
      * DB名称
      */
-    @NotNull
     private String databaseName;
 
     /**