diff --git a/Docs/CodeTutorial4.md b/Docs/CodeTutorial4.md
index f42b366..848ea54 100644
--- a/Docs/CodeTutorial4.md
+++ b/Docs/CodeTutorial4.md
@@ -82,7 +82,7 @@ IEnumerator Start()
     // 更新资源包版本
     ......
     var operation = AssetPackage.UpdateManifestAsync(packageCRC);
-	yield return operation;
+    yield return operation;
     
     // 下载更新文件
     var downloader = AssetPackage.CreatePatchDownloader(downloadingMaxNum, failedTryAgain);
diff --git a/Docs/GlobalSettings.md b/Docs/GlobalSettings.md
index 8e6b758..4ddba0c 100644
--- a/Docs/GlobalSettings.md
+++ b/Docs/GlobalSettings.md
@@ -1,6 +1,6 @@
 # 全局配置
 
-![image](./Image/Settings-img1.jpg)
+![image](./Image/Settings-img1.png)
 
 通过右键创建配置文件（Project窗体内右键 -> Create -> YooAsset -> Create Setting）
 
@@ -11,5 +11,4 @@
 - **Asset Bundle File Variant** : AssetBundle资源包后缀名
 - **Raw File Variant** : 原生资源包后缀名
 - **Patch Manifest File Name** : 补丁清单文件名称
-- **Unity Manifest File Name** : Unity构建的清单名称
 
diff --git a/Docs/Image/Settings-img1.jpg b/Docs/Image/Settings-img1.jpg
deleted file mode 100644
index 680fcc0..0000000
Binary files a/Docs/Image/Settings-img1.jpg and /dev/null differ
diff --git a/Docs/Image/Settings-img1.png b/Docs/Image/Settings-img1.png
new file mode 100644
index 0000000..9bf7cc2
Binary files /dev/null and b/Docs/Image/Settings-img1.png differ