diff --git a/chat2db-server/chat2db-plugins/chat2db-dm/src/main/java/ai/chat2db/plugin/dm/DMMetaData.java b/chat2db-server/chat2db-plugins/chat2db-dm/src/main/java/ai/chat2db/plugin/dm/DMMetaData.java
index eafad8731..d5b750a0a 100644
--- a/chat2db-server/chat2db-plugins/chat2db-dm/src/main/java/ai/chat2db/plugin/dm/DMMetaData.java
+++ b/chat2db-server/chat2db-plugins/chat2db-dm/src/main/java/ai/chat2db/plugin/dm/DMMetaData.java
@@ -145,7 +145,7 @@ public Table view(Connection connection, String databaseName, String schemaName,
         });
     }
 
-    private static String INDEX_SQL = "SELECT i.TABLE_NAME, i.INDEX_TYPE, i.INDEX_NAME, i.UNIQUENESS ,c.COLUMN_NAME, c.COLUMN_POSITION, c.DESCEND, cons.CONSTRAINT_TYPE FROM ALL_INDEXES i JOIN ALL_IND_COLUMNS c ON i.INDEX_NAME = c.INDEX_NAME AND i.TABLE_NAME = c.TABLE_NAME AND i.TABLE_OWNER = c.TABLE_OWNER LEFT JOIN ALL_CONSTRAINTS cons ON i.INDEX_NAME = cons.INDEX_NAME AND i.TABLE_NAME = cons.TABLE_NAME AND i.TABLE_OWNER = cons.OWNER WHERE i.TABLE_NAME = '%s' ORDER BY i.INDEX_NAME, c.COLUMN_POSITION;";
+    private static String INDEX_SQL = "SELECT i.TABLE_NAME, i.INDEX_TYPE, i.INDEX_NAME, i.UNIQUENESS ,c.COLUMN_NAME, c.COLUMN_POSITION, c.DESCEND, cons.CONSTRAINT_TYPE FROM ALL_INDEXES i JOIN ALL_IND_COLUMNS c ON i.INDEX_NAME = c.INDEX_NAME AND i.TABLE_NAME = c.TABLE_NAME AND i.TABLE_OWNER = c.TABLE_OWNER LEFT JOIN ALL_CONSTRAINTS cons ON i.INDEX_NAME = cons.INDEX_NAME AND i.TABLE_NAME = cons.TABLE_NAME AND i.TABLE_OWNER = cons.OWNER WHERE i.TABLE_OWNER = '%s' AND i.TABLE_NAME = '%s' ORDER BY i.INDEX_NAME, c.COLUMN_POSITION;";
 
     @Override
     public List<TableIndex> indexes(Connection connection, String databaseName, String schemaName, String tableName) {
diff --git a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/operation/saved/OperationSavedController.java b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/operation/saved/OperationSavedController.java
index c63d41a9e..42b2adc7d 100644
--- a/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/operation/saved/OperationSavedController.java
+++ b/chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/operation/saved/OperationSavedController.java
@@ -73,8 +73,7 @@ public DataResult<OperationVO> get(@PathVariable("id") Long id) {
         OperationQueryParam param = new OperationQueryParam();
         param.setId(id);
         param.setUserId(ContextUtils.getUserId());
-        return operationService.queryExistent(param)
-            .map(operationWebConverter::dto2vo);
+        return operationService.queryExistent(param).map(operationWebConverter::dto2vo);
     }
 
     /**
diff --git a/chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/sql/IDriverManager.java b/chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/sql/IDriverManager.java
index 1d1862d29..383193e49 100644
--- a/chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/sql/IDriverManager.java
+++ b/chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/sql/IDriverManager.java
@@ -85,8 +85,9 @@ public static Connection getConnection(String url, Properties info, DriverConfig
         if (Objects.isNull(driverEntry)) {
             driverEntry = getJDBCDriver(driver);
         }
-
-        try (Connection connection = driverEntry.getDriver().connect(url, info)) {
+        Connection connection;
+        try  {
+            connection = driverEntry.getDriver().connect(url, info);
             if (Objects.isNull(connection)) {
                 throw new SQLException(String.format("driver.connect return null , No suitable driver found for url %s", url), SQL_STATE_CODE);