diff --git a/cocos/platform/apple/CCFileUtils-apple.mm b/cocos/platform/apple/CCFileUtils-apple.mm
index d51e284a4f..485d7cfe16 100644
--- a/cocos/platform/apple/CCFileUtils-apple.mm
+++ b/cocos/platform/apple/CCFileUtils-apple.mm
@@ -299,9 +299,9 @@ static int unlink_cb(const char *fpath, const struct stat *sb, int typeflag, str
 
 bool FileUtilsApple::removeDirectory(const std::string& path)
 {
-    if (path.size() > 0 && path[path.size() - 1] != '/')
+    if (path.empty())
     {
-        CCLOGERROR("Fail to remove directory, path must terminate with '/': %s", path.c_str());
+        CCLOGERROR("Fail to remove directory, path is empty!");
         return false;
     }
 
diff --git a/extensions/assets-manager/AssetsManager.cpp b/extensions/assets-manager/AssetsManager.cpp
index ef9e835371..aed2ac76a4 100644
--- a/extensions/assets-manager/AssetsManager.cpp
+++ b/extensions/assets-manager/AssetsManager.cpp
@@ -63,6 +63,7 @@ AssetsManager::AssetsManager(const char* packageUrl/* =nullptr */, const char* v
 , _isDownloading(false)
 , _shouldDeleteDelegateWhenExit(false)
 {
+    checkStoragePath();
     // convert downloader error code to AssetsManager::ErrorCode
     _downloader->onTaskError = [this](const DownloadTask& task,
                                       int errorCode,
@@ -145,7 +146,7 @@ AssetsManager::AssetsManager(const char* packageUrl/* =nullptr */, const char* v
         
         // start download;
         const string outFileName = _storagePath + TEMP_PACKAGE_FILE_NAME;
-        _downloader->createDownloadFileTask(_packageUrl, _storagePath);
+        _downloader->createDownloadFileTask(_packageUrl, outFileName);
     };
     
     // after download package, do uncompress operation
diff --git a/tests/lua-tests/project/Classes/lua_assetsmanager_test_sample.cpp b/tests/lua-tests/project/Classes/lua_assetsmanager_test_sample.cpp
index d91fe7a8a6..b872a8c0a9 100644
--- a/tests/lua-tests/project/Classes/lua_assetsmanager_test_sample.cpp
+++ b/tests/lua-tests/project/Classes/lua_assetsmanager_test_sample.cpp
@@ -76,18 +76,9 @@ static int lua_cocos2dx_deleteDownloadDir(lua_State* L)
         // Not implemented. "system" is not present on tvOS
         CCLOG("'lua_cocos2dx_deleteDownloadDir' not implemented on tvOS");
         return 0;
-
-#elif (CC_TARGET_PLATFORM != CC_PLATFORM_WIN32)
-        std::string command = "rm -r ";
-        // Path may include space.
-        command += "\"" + pathToSave + "\"";
-        system(command.c_str());
-#else
-        std::string command = "rd /s /q ";
-        // Path may include space.
-        command += "\"" + pathToSave + "\"";
-        system(command.c_str());
 #endif
+
+        FileUtils::getInstance()->removeDirectory(pathToSave);
         return 0;
     }
     
diff --git a/tests/lua-tests/src/AssetsManagerTest/AssetsManagerTest.lua b/tests/lua-tests/src/AssetsManagerTest/AssetsManagerTest.lua
index 3ea12a07f4..15f3db45e5 100644
--- a/tests/lua-tests/src/AssetsManagerTest/AssetsManagerTest.lua
+++ b/tests/lua-tests/src/AssetsManagerTest/AssetsManagerTest.lua
@@ -76,8 +76,7 @@ local function updateLayer()
 
     local function update(sender)
         progressLable:setString("")
-
-        getAssetsManager():update()
+        getAssetsManager():checkUpdate()
     end
 
     local function reset(sender)