diff --git a/src/client/src/TSDBJNIConnector.c b/src/client/src/TSDBJNIConnector.c
index 12add5528af70b5a25f49f1e82d16acca8043bcb..63805f378cb4c12621e2af7192e71595afdafdfd 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 j obj, jstring jhost,
+JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_connectImp(JNIEnv *env, jobject obj, jstring jhost,
                                                                            jint jport, jstring jdbName, jstring juser,
                                                                            jstring jpass) {
   jlong       ret  = 0;