diff --git a/action.yml b/action.yml
index 1d82dc8..ad77435 100644
--- a/action.yml
+++ b/action.yml
@@ -4,18 +4,15 @@ author: 'Jeffery'
 inputs:
   token:
     description: '操作 Gitea API 的 Token'
-    required: true
+    required: false
   comment_token:
     description: '操作 Gitea Commit API 的 Token'
     required: false
-  model:
-    description: '執行 AI 程式碼審查使用的 LLM 名稱'
-    required: false
 runs:
   using: 'docker'
   image: 'Dockerfile'
   env:
     GITEA_TOKEN: ${{ inputs.token || secrets.TOKEN || gitea.token }}
-    GITEA_COMMENT_TOKEN: ${{ inputs.comment_token || secrets.TOKEN || gitea.token }}
+    GITEA_COMMENT_TOKEN: ${{ inputs.comment_token || inputs.token || secrets.TOKEN || gitea.token }}
     CLI_PROXY_API: ${{ vars.CLI_PROXY_API }}
     CLI_PROXY_API_KEY: ${{ secrets.CLI_PROXY_API_KEY }}
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