diff --git a/frameworks/c/drm_capi/native_mediakeysession.cpp b/frameworks/c/drm_capi/native_mediakeysession.cpp
index 240d52e1b57c4568cc8d2e2b0fe7e5d56410ac25..c5383c660dec86d89401f414da3aed912fe4abff 100644
--- a/frameworks/c/drm_capi/native_mediakeysession.cpp
+++ b/frameworks/c/drm_capi/native_mediakeysession.cpp
@@ -191,8 +191,38 @@ Drm_ErrCode OH_MediaKeySession_ClearMediaKeys(MediaKeySession *mediaKeySessoin)
 
 Drm_ErrCode OH_MediaKeySession_GenerateOfflineReleaseRequest(MediaKeySession *mediaKeySessoin,
     uint8_t *offlineMediaKeyId, int32_t offlineMediaKeyIdLen, uint8_t *releaseRequest, int32_t *releaseRequestLen)
-{
+{   
+    if (mediaKeySession == nullptr) {
+    DRM_INFO_LOG("mediaKeySession is nullptr1");
+    return DRM_ERR_INVALID_VAL;
+}
+
+if (offlineMediaKeyId == nullptr) {
+    DRM_INFO_LOG("offlineMediaKeyId is nullptr1");
+    return DRM_ERR_INVALID_VAL;
+}
+
+if (offlineMediaKeyIdLen == nullptr) {
+    DRM_INFO_LOG("offlineMediaKeyIdLen is nullptr1");
+    return DRM_ERR_INVALID_VAL;
+}
+
+if (*offlineMediaKeyIdLen <= 0 || *offlineMediaKeyIdLen > MAX_OFFLINE_MEDIA_KEY_ID_LEN) {
+    DRM_INFO_LOG("offlineMediaKeyIdLen is invalid: %d", *offlineMediaKeyIdLen);
+    return DRM_ERR_INVALID_VAL;
+}
+
+if (releaseRequest == nullptr) {
+    DRM_INFO_LOG("releaseRequest is nullptr1");
+    return DRM_ERR_INVALID_VAL;
+}
+
+if (releaseRequestLen == nullptr) {
+    DRM_INFO_LOG("releaseRequestLen is nullptr1");
+    return DRM_ERR_INVALID_VAL;
+}
     DRM_INFO_LOG("OH_MediaKeySession_GenerateOfflineReleaseRequest enter");
+
     DRM_CHECK_AND_RETURN_RET_LOG(((mediaKeySessoin != nullptr) && (offlineMediaKeyId != nullptr) &&
         (offlineMediaKeyIdLen > 0) && (offlineMediaKeyIdLen <= MAX_OFFLINE_MEDIA_KEY_ID_LEN) &&
         (releaseRequest != nullptr) && (releaseRequestLen != nullptr)),
diff --git a/frameworks/js/drm_napi/native_module_ohos_drm.cpp b/frameworks/js/drm_napi/native_module_ohos_drm.cpp
index 56ad0d70cacd5ad895ba620a50c61078cfca311f..20bd56575e90be7bbd9db76e41a0b7f4961e5921 100644
--- a/frameworks/js/drm_napi/native_module_ohos_drm.cpp
+++ b/frameworks/js/drm_napi/native_module_ohos_drm.cpp
@@ -27,6 +27,7 @@ static napi_value Export(napi_env env, napi_value exports)
     MediaKeySessionNapi::Init(env, exports);
     MediaKeySystemNapi::Init(env, exports);
     return exports;
+    
 }
 
 /*