diff --git a/gimbal_ctrl/driver/src/amovGimbal/amov_gimbal_c.h b/gimbal_ctrl/driver/src/amovGimbal/amov_gimbal_c.h
index 8926cfe..9d5f27f 100644
--- a/gimbal_ctrl/driver/src/amovGimbal/amov_gimbal_c.h
+++ b/gimbal_ctrl/driver/src/amovGimbal/amov_gimbal_c.h
@@ -3,7 +3,7 @@
  * @Author: L LC @amov
  * @Date: 2023-11-24 16:01:22
  * @LastEditors: L LC @amov
- * @LastEditTime: 2023-12-05 17:20:21
+ * @LastEditTime: 2023-12-06 11:35:58
  * @FilePath: /SpireCV/gimbal_ctrl/driver/src/amovGimbal/amov_gimbal_c.h
  */
 #ifndef AMOV_GIMBAL_C_H
@@ -15,13 +15,13 @@
 extern "C"
 {
     // initialization funtions
+    void amovGimbalCreat(char *type, uint32_t selfId, uint32_t gimbalId, void *handle);
+    void amovGimbalInBytesCallback(uint8_t *pData, uint32_t len, void *handle);
     void amovGimbalSetRcvBytes(pAmovGimbalInputBytesInvoke callbaclk, void *handle, void *caller);
     void amovGimbalSetSendBytes(pAmovGimbalOutputBytesInvoke callbaclk, void *handle, void *caller);
-    void amovGimbalInBytesCallback(uint8_t *pData, uint32_t len, void *handle);
-    void amovGimbalCreat(char *type, uint32_t selfId, uint32_t gimbalId, void *handle, void *caller);
-    void amovGimbalStart(pAmovGimbalStateInvoke callback, void *handle, void *caller);
     void amovGimbalChangeStateCallback(pAmovGimbalStateInvoke callback, void *handle, void *caller);
     void amovGimbalSetMsgCallback(pAmovGimbalMsgInvoke callback, void *handle, void *caller);
+    void amovGimbalStart(pAmovGimbalStateInvoke callback, void *handle, void *caller);
 
     // non-block functions
     uint32_t amovGimbalSetGimabalPos(AMOV_GIMBAL_POS_T *pos, void *handle);
diff --git a/gimbal_ctrl/driver/src/amov_gimbal_interface_c.cpp b/gimbal_ctrl/driver/src/amov_gimbal_interface_c.cpp
index d0e6970..abb3264 100644
--- a/gimbal_ctrl/driver/src/amov_gimbal_interface_c.cpp
+++ b/gimbal_ctrl/driver/src/amov_gimbal_interface_c.cpp
@@ -3,7 +3,7 @@
  * @Author: L LC @amov
  * @Date: 2023-11-27 12:28:32
  * @LastEditors: L LC @amov
- * @LastEditTime: 2023-12-05 17:21:42
+ * @LastEditTime: 2023-12-06 11:36:30
  * @FilePath: /SpireCV/gimbal_ctrl/driver/src/amov_gimbal_interface_c.cpp
  */
 #include "amov_gimbal_private.h"
@@ -24,7 +24,7 @@ void amovGimbalInBytesCallback(uint8_t *pData, uint32_t len, void *handle)
     amovGimbal::gimbal::inBytesCallback(pData, len, (amovGimbal::gimbal *)handle);
 }
 
-void amovGimbalCreat(char *type, uint32_t selfId, uint32_t gimbalId, void *handle, void *caller)
+void amovGimbalCreat(char *type, uint32_t selfId, uint32_t gimbalId, void *handle)
 {
     std::string strType = type;
     handle = new amovGimbal::gimbal(strType, nullptr, selfId, gimbalId);