diff --git a/foundations/model/include/call_result.h b/foundations/model/include/call_result.h
index e32cff45a51a62ea85de29e22a838d642e88e908..ac5acda8fe665167cf30157c0d27bb4d95a88789 100644
--- a/foundations/model/include/call_result.h
+++ b/foundations/model/include/call_result.h
@@ -53,5 +53,7 @@ constexpr int32_t INT_TIME_OUT = CAST_INT(CallResult::TIME_OUT);
 constexpr int32_t INT_DB_ERROR = CAST_INT(CallResult::DB_ERROR);
 constexpr int32_t INT_IO_ERROR = CAST_INT(CallResult::IO_ERROR);
 constexpr int32_t INT_NET_ERROR = CAST_INT(CallResult::NET_ERROR);
+constexpr std::string_view NOT_SYSTEM_APP_INFO =
+    ": Permission verification failed. A non-system application calls a system API.";
 } // namespace OHOS::UpdateEngine
 #endif // UPDATE_SERVICE_CALL_RESULT_H
diff --git a/frameworks/js/napi/session/include/napi_session.h b/frameworks/js/napi/session/include/napi_session.h
index 0a3a761cbe2347f2d30e54d1f0e7448f0125c4f7..cbdfd4fd0b6b2a446fb352c67c0089ff03fdf26b 100644
--- a/frameworks/js/napi/session/include/napi_session.h
+++ b/frameworks/js/napi/session/include/napi_session.h
@@ -100,7 +100,7 @@ protected:
         std::string permissionName;
         switch (workResult_) {
             case INT_NOT_SYSTEM_APP:
-                msg = "BusinessError " + std::to_string(workResult_) + ": Caller not system app.";
+                msg = "BusinessError " + std::to_string(workResult_) + NOT_SYSTEM_APP_INFO.data();
                 break;
             case INT_APP_NOT_GRANTED:
                 GetSessionFuncParameter(funcName, permissionName);
diff --git a/frameworks/js/napi/session/src/napi_common_utils.cpp b/frameworks/js/napi/session/src/napi_common_utils.cpp
index e7b8485358e4bde066258e7a071fc191e8fd61e8..f8dceac708852d48e86b49a72f0f970fbb596db0 100644
--- a/frameworks/js/napi/session/src/napi_common_utils.cpp
+++ b/frameworks/js/napi/session/src/napi_common_utils.cpp
@@ -225,7 +225,8 @@ void NapiCommonUtils::NapiThrowNotSystemAppError(napi_env env)
 {
     BusinessError businessError;
     CallResult errCode = CallResult::NOT_SYSTEM_APP;
-    std::string errMsg = "BusinessError " + std::to_string(CAST_INT(errCode)).append(": Caller not system app.");
+    std::string errMsg = "BusinessError " + std::to_string(CAST_INT(errCode))
+        .append(": Permission verification failed. A non-system application calls a system API.");
     businessError.Build(errCode, errMsg);
     napi_value msg = BuildThrowError(env, businessError);
     napi_status status = napi_throw(env, msg);