diff --git a/commands/hash.ts b/commands/hash.ts
index eea0ec6..f2dd0fa 100644
--- a/commands/hash.ts
+++ b/commands/hash.ts
@@ -26,7 +26,7 @@ export default await new Command()
   .description("Calculate local file's hash-code or show cos file's hash-code")
   .example(
     "hash for `example.file' in test/ of bucket `example'",
-    "./peg hash cos://example/test/example.file"
+    "./peg hash doge://example/test/example.file"
   )
   .option("-s, --sign-url", "Generate hash with OSS signed URL, CHARGED")
   .arguments("<location:string>")
diff --git a/commands/ls.ts b/commands/ls.ts
index 37434de..0a9205e 100644
--- a/commands/ls.ts
+++ b/commands/ls.ts
@@ -1,5 +1,5 @@
 /** 查询存储桶或文件列表 - ls
- * ./coscli ls [cos://bucketAlias[/prefix/]] [flag]
+ * ./coscli ls [doge://bucketAlias[/prefix/]] [flag]
  * https://cloud.tencent.com/document/product/436/63668
  */
 import { Command } from "https://deno.land/x/cliffy@v0.25.5/command/mod.ts";
diff --git a/commands/mb.ts b/commands/mb.ts
index 101ff66..3094166 100644
--- a/commands/mb.ts
+++ b/commands/mb.ts
@@ -1,5 +1,5 @@
 /** 创建存储桶 - mb
- * ./coscli mb cos://<BucketName-APPID> -r <Region> [flag]
+ * ./coscli mb doge://<BucketName-APPID> -r <Region> [flag]
  * https://cloud.tencent.com/document/product/436/63145
  */
 import { Command, EnumType } from "https://deno.land/x/cliffy@v0.25.5/command/mod.ts";
diff --git a/commands/rb.ts b/commands/rb.ts
index e978e1f..00bf018 100644
--- a/commands/rb.ts
+++ b/commands/rb.ts
@@ -1,5 +1,5 @@
 /** 删除存储桶 - rb
- * ./coscli rb cos://<BucketName-APPID> -r <Region> [flag]
+ * ./coscli rb doge://<BucketName-APPID> -r <Region> [flag]
  * https://cloud.tencent.com/document/product/436/63667
  */
 import { Command, EnumType } from "https://deno.land/x/cliffy@v0.25.5/command/mod.ts";
diff --git a/commands/rm.ts b/commands/rm.ts
index 719c551..da3cab2 100644
--- a/commands/rm.ts
+++ b/commands/rm.ts
@@ -1,5 +1,5 @@
 /** 删除文件 - rm
- * ./coscli rm cos://<bucketAlias>[/prefix/] [cos://<bucket-name>[/prefix/]...] [flag]
+ * ./coscli rm doge://<bucketAlias>[/prefix/] [doge://<bucket-name>[/prefix/]...] [flag]
  * https://www.tencentcloud.com/zh/document/product/436/43258
  */
 import { Command } from "https://deno.land/x/cliffy@v0.25.5/command/mod.ts";
diff --git a/commands/signurl.ts b/commands/signurl.ts
index 4adf5b2..0e7cdec 100644
--- a/commands/signurl.ts
+++ b/commands/signurl.ts
@@ -1,5 +1,5 @@
 /** 获取预签名 URL - signurl
- * ./coscli signurl cos://<bucketAlias>/<key> [flag]
+ * ./coscli signurl doge://<bucketAlias>/<key> [flag]
  * https://tencentcloud.com/zh/document/product/436/43263
  */
 import { Command } from "https://deno.land/x/cliffy@v0.25.5/command/mod.ts";