diff --git a/docs/tutorial/mp-weixin-plugin-dev.md b/docs/tutorial/mp-weixin-plugin-dev.md
index ca959b6e650718fd56635ab91fcbe07307904f8f..c669aea92aeb8921e1873f907829505fafe47235 100644
--- a/docs/tutorial/mp-weixin-plugin-dev.md
+++ b/docs/tutorial/mp-weixin-plugin-dev.md
@@ -70,7 +70,7 @@ plugin
        "hello-pages": "pages/hello-page"
      },
      "pages": [
-       "pages/hello-page"
+       "pages/hello-page",
        "pages/index"
      ],
      "main": "index.js"