diff --git a/api/include/mk_recorder.h b/api/include/mk_recorder.h
index a09b0147..c60e0e54 100644
--- a/api/include/mk_recorder.h
+++ b/api/include/mk_recorder.h
@@ -79,6 +79,7 @@ API_EXPORT int API_CALL mk_recorder_status(int type, const char *vhost, const ch
  * @param vhost 虚拟主机
  * @param app 应用名
  * @param stream 流id
+ * @param customized_path 录像文件保存自定义目录，默认为空或null则自动生成
  * @param wait_for_record 是否等待流注册后再录制，未注册时，置false将返回失败
  * @param continue_record 流注销时是否继续等待录制还是立即停止录制
  * @return 0代表成功，负数代表失败
diff --git a/api/source/mk_recorder.cpp b/api/source/mk_recorder.cpp
index 175a1e78..efd29c42 100644
--- a/api/source/mk_recorder.cpp
+++ b/api/source/mk_recorder.cpp
@@ -59,7 +59,7 @@ API_EXPORT int API_CALL mk_recorder_status(int type, const char *vhost, const ch
 
 API_EXPORT int API_CALL mk_recorder_start(int type, const char *vhost, const char *app, const char *stream,const char *customized_path,int wait_for_record, int continue_record){
     assert(vhost && app && stream);
-    return Recorder::startRecord((Recorder::type)type,vhost,app,stream,customized_path,wait_for_record,continue_record);
+    return Recorder::startRecord((Recorder::type)type,vhost,app,stream,customized_path ? customized_path : "",wait_for_record,continue_record);
 }
 
 API_EXPORT int API_CALL mk_recorder_stop(int type, const char *vhost, const char *app, const char *stream){
diff --git a/src/Record/Recorder.h b/src/Record/Recorder.h
index 84107950..67aef75b 100644
--- a/src/Record/Recorder.h
+++ b/src/Record/Recorder.h
@@ -69,6 +69,7 @@ public:
      * @param vhost 虚拟主机
      * @param app 应用名
      * @param stream_id 流id
+     * @param customized_path 录像文件保存自定义目录，默认为空则自动生成
 	 * @param waitForRecord 是否等待流注册后再录制，未注册时，置false将返回失败
 	 * @param continueRecord 流注销时是否继续等待录制还是立即停止录制
 	 * @return 0代表成功，负数代表失败