diff --git a/src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h b/src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h
index 7181c658ddcdfde3efe7df3c0784c20f18bd4c03..79d481498e218d5c0be157ff9d145fb37655349e 100644
--- a/src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h
+++ b/src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h
@@ -41,6 +41,14 @@ JNIEXPORT void JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_initImp
 JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_setOptions
   (JNIEnv *, jclass, jint, jstring);
 
+/*
+ * Class:     com_taosdata_jdbc_TSDBJNIConnector
+ * Method:    setConfigImp
+ * Signature: (Ljava/lang/String;)Lcom/taosdata/jdbc/TSDBException;
+ */
+JNIEXPORT jobject JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_setConfigImp
+    (JNIEnv *, jclass, jstring);
+
 /*
  * Class:     com_taosdata_jdbc_TSDBJNIConnector
  * Method:    getTsCharset
@@ -231,6 +239,14 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_closeStmt(JNIEnv
 JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_setTableNameTagsImp
     (JNIEnv *, jobject, jlong, jstring, jint, jbyteArray, jbyteArray, jbyteArray, jbyteArray, jlong);
 
+/*
+ * Class:     com_taosdata_jdbc_TSDBJNIConnector
+ * Method:    insertLinesImp
+ * Signature: ([Ljava/lang/String;JII)I
+ */
+JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_insertLinesImp
+    (JNIEnv *, jobject, jobjectArray, jlong, jint, jint);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/client/src/TSDBJNIConnector.c b/src/client/src/TSDBJNIConnector.c
index 506c8d64b9f4213713656ecd08612a103e0b1b2d..5fd5371fb3cc7ab61c83201dcc1b1c2daff1d228 100644
--- a/src/client/src/TSDBJNIConnector.c
+++ b/src/client/src/TSDBJNIConnector.c
@@ -200,6 +200,11 @@ JNIEXPORT void JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_initImp(JNIEnv *e
   jniDebug("jni initialized successfully, config directory: %s", configDir);
 }
 
+JNIEXPORT jobject JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_setConfigImp(JNIEnv *env, jclass jobj,
+                                                                               jstring config) {
+    return NULL;// nothing to do
+}
+
 JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_setOptions(JNIEnv *env, jobject jobj, jint optionIndex,
                                                                           jstring optionValue) {
   if (optionValue == NULL) {
@@ -993,8 +998,8 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_setTableNameTagsI
   return JNI_SUCCESS;
 }
 
-JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_insertLinesImp(JNIEnv *env, jobject jobj,
-                                                                               jobjectArray lines, jlong conn) {
+JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_insertLinesImp
+    (JNIEnv *env, jobject jobj, jobjectArray lines, jlong conn, jint protocol, jint precision){
   TAOS *taos = (TAOS *)conn;
   if (taos == NULL) {
     jniError("jobj:%p, connection already closed", jobj);