diff --git a/Assets/YooAsset/package.json b/Assets/YooAsset/package.json
index b16884e5..a0df4264 100644
--- a/Assets/YooAsset/package.json
+++ b/Assets/YooAsset/package.json
@@ -1,7 +1,7 @@
 {
     "name": "com.tuyoogame.yooasset",
     "displayName": "YooAsset",
-    "version": "2.2.7-preview",
+    "version": "2.2.8-preview",
     "unity": "2019.4",
     "description": "unity3d resources management system.",
     "author": {
@@ -16,13 +16,18 @@
         },
         {
             "displayName": "Extension Sample",
-            "description": "YooAsset editor extension sample, Include patcher combine, patcher compare, patcher importer and other functions.",
+            "description": "YooAsset extension sample, Include patcher combine, patcher compare, patcher importer and other functions.",
             "path": "Samples~/Extension Sample"
         },
         {
             "displayName": "UniTask Sample",
-            "description": "UniTask extension sample, Include extension scprits, Please Read the README documentation in the extension sample .",
+            "description": "UniTask sample, Please Read the README documentation in the sample .",
             "path": "Samples~/UniTask Sample"
+        },
+        {
+            "displayName": "Test Sample",
+            "description": "Test sample, Include unit test cases .",
+            "path": "Samples~/Test Sample"            
         }
     ],
     "repository": {