diff --git a/sdk/components/api/zi_module.hpp b/sdk/components/api/zi_module.hpp
index 952c0de..65535de 100644
--- a/sdk/components/api/zi_module.hpp
+++ b/sdk/components/api/zi_module.hpp
@@ -4,6 +4,7 @@
 #include <functional>
 
 #include "a8000_protocol\protocol.hpp"
+
 #include "version.h"
 namespace iflytop {
 using namespace std;
@@ -69,7 +70,7 @@ class ZIModule {
   virtual ~ZIModule() {}
   ZIModule(int32_t type) {
     module_type    = type;
-    module_version = get_app_version();
+    module_version = ::get_app_version();
   }
 
  public:
diff --git a/usrc/version.c b/usrc/version.c
index df85e9f..8183655 100644
--- a/usrc/version.c
+++ b/usrc/version.c
@@ -2,6 +2,4 @@
 
 int32_t APP_VERSION = 1214;
 
-int32_t get_app_version(){
-    return APP_VERSION;
-}
+int32_t get_app_version() { return APP_VERSION; }
diff --git a/usrc/version.h b/usrc/version.h
index 139d0b1..38be2f7 100644
--- a/usrc/version.h
+++ b/usrc/version.h
@@ -1,4 +1,12 @@
 #pragma once
+#ifdef __cplusplus
+extern "C" {
+#endif
 #include <stdint.h>
+int32_t get_app_version();
+
+
+#ifdef __cplusplus
+}
+#endif
 
-int32_t get_app_version();
\ No newline at end of file