diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
index 2b87b72fef0f2b621536c5a11aba69975aa86434..905f78825f0b1d4ee095e70105c052a21799ac05 100755
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
@@ -113,7 +113,7 @@ public class TSDBDriver extends AbstractDriver {
             return null;
         }
         //load taos.cfg start
-        loadTaosConfig(info);
+//        loadTaosConfig(info);
 
         try {
             TSDBJNIConnector.init((String) props.get(PROPERTY_KEY_CONFIG_DIR), (String) props.get(PROPERTY_KEY_LOCALE),
diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBJNIConnectorTest.java b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBJNIConnectorTest.java
index 4956e91496925656fbea007e76c9e218b42f4cb6..75d365db783807591e55b36039ba3f14c0f9da0b 100644
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBJNIConnectorTest.java
+++ b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBJNIConnectorTest.java
@@ -18,9 +18,9 @@ public class TSDBJNIConnectorTest {
             TSDBJNIConnector.init("/etc/taos/taos.cfg", "en_US.UTF-8", "", "");
             // connect
             TSDBJNIConnector connector = new TSDBJNIConnector();
-            connector.connect("127.0.0.1", 6030, "test", "root", "taosdata");
+            connector.connect("", 0, "test", "root", "taosdata");
             // executeQuery
-            long pSql = connector.executeQuery("show dnodes");
+            long pSql = connector.executeQuery("show variable");
             if (connector.isUpdateQuery(pSql)) {
                 connector.freeResultSet(pSql);
                 throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_INVALID_WITH_EXECUTEQUERY);