change

src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java

@@ -80,12 +80,8 @@ public class TSDBStatement extends AbstractStatement {
 
     public void close() throws SQLException {
         if (!isClosed) {
-            //TODO：check if connector need to store resultSetPointer
-//            this.connector.freeResultSet(resultSet.getResultSetPointer());
+            if (this.resultSet != null)
                 this.resultSet.close();
-//            if (!this.connector.isResultsetClosed()) {
-//                this.connector.freeResultSet();
-//            }
             isClosed = true;
         }
     }