diff --git a/src/client/src/TSDBJNIConnector.c b/src/client/src/TSDBJNIConnector.c
index 63805f378cb4c12621e2af7192e71595afdafdfd..252fb2264d4fbd22dc8a652861391f55db492dc4 100644
--- a/src/client/src/TSDBJNIConnector.c
+++ b/src/client/src/TSDBJNIConnector.c
@@ -227,7 +227,7 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_setOptions(JNIEnv
   return res;
 }
 
-JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_connectImp(JNIEnv *env, jobject obj, jstring jhost,
+JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_connectImp(JNIEnv *env, jobject jobj, jstring jhost,
                                                                            jint jport, jstring jdbName, jstring juser,
                                                                            jstring jpass) {
   jlong       ret  = 0;