diff --git a/services/distributedfiledaemon/src/network/softbus/softbus_handler_asset.cpp b/services/distributedfiledaemon/src/network/softbus/softbus_handler_asset.cpp
index f20b72d8f3a38e86e9c9f5b7e1e0ab19ccc1a8b2..084eec69a837509ba67bffa139797252ca08cee4 100644
--- a/services/distributedfiledaemon/src/network/softbus/softbus_handler_asset.cpp
+++ b/services/distributedfiledaemon/src/network/softbus/softbus_handler_asset.cpp
@@ -355,6 +355,11 @@ int32_t SoftBusHandlerAsset::GenerateAssetObjInfo(int32_t socketId,
                                                   const std::string &fileName,
                                                   const sptr<AssetObj> &assetObj)
 {
+    if (assetObj == nullptr) {
+        LOGE("assetObj is nullptr!");
+        return FileManagement::ERR_BAD_VALUE;
+    }
+
     size_t pos = fileName.find(RELATIVE_PATH_FLAG);
     if (pos == std::string::npos) {
         LOGE("Generate dstBundleName fail, firstFile is %{public}s", GetAnonyString(fileName).c_str());