diff --git a/action.yml b/action.yml
index 646c3c6..a63303e 100644
--- a/action.yml
+++ b/action.yml
@@ -1,33 +1,33 @@
-name: 'Composite Action Template'
-description: 'Composite Action 範本'
+name: 'Antigravity CLI'
+description: 'Antigravity CLI 工具'
 author: 'Jeffery'
 inputs:
-  text:
-    description: '輸入的文字'
+  prompt:
+    description: ''
     required: false
-    default: 'Hello, World!'
+    default: "請自我介紹"
 outputs:
   text:
     description: '輸出的文字'
-    value: ${{ steps.change.outputs.text }}
+    value: ${{ steps.antigravity.outputs.text }}
 runs:
   using: 'composite'
+  env:
+    OAUTH: ${{ secrets.ANTIGRAVITY_OAUTH }}
+    MODEL: ${{ vars.ANTIGRAVITY_MODEL }}
+    PROMPT: ${{ inputs.prompt }}
   steps:
-  - name: 交換
-    id: change
-    env:
-      GITEA_SERVER_URL: ${{ gitea.server_url }}
-      GITEA_REPOSITORY: ${{ gitea.repository }}
-      GITEA_TOKEN: ${{ gitea.token }}
-      TEXT: ${{ inputs.text }}
+  - name: 安裝工具
+    run: curl -fsSL https://antigravity.google/cli/install.sh | bash
+    shell: bash
+  - name: 執行工具
+    id: antigravity
     run: |
-      echo "Gitea Server Url: $GITEA_SERVER_URL"
-
-      echo "Gitea Repository: $GITEA_REPOSITORY"
-
-      echo "Gitea Token: $GITEA_TOKEN"
-
-      echo "Text: $TEXT"
-
-      echo "text=$TEXT" >> "$GITHUB_OUTPUT"
-    shell: bash
\ No newline at end of file
+      text="$(agy --model "$MODEL" --prompt "$PROMPT")"
+      printf '%s\n' "$text"
+      {
+        echo 'text<<ANTIGRAVITY_OUTPUT'
+        printf '%s\n' "$text"
+        echo 'ANTIGRAVITY_OUTPUT'
+      } >> "$GITHUB_OUTPUT"
+    shell: bash