diff --git a/README.md b/README.md
index 7b8f43d..2ed7914 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,8 @@ export default defineConfig({
         },
         tags: [
           {
+            // The value of injectTo is: 'head' | 'body' | 'head-prepend' | 'body-prepend'
+            // Please reference to https://vitejs.dev/guide/api-plugin.html#transformindexhtml
             injectTo: 'body-prepend',
             tag: 'div',
             attrs: {
diff --git a/README.zh_CN.md b/README.zh_CN.md
index fde5518..55f6f2a 100644
--- a/README.zh_CN.md
+++ b/README.zh_CN.md
@@ -76,6 +76,8 @@ export default defineConfig({
         },
         tags: [
           {
+            // injectTo 的值为：'head' | 'body' | 'head-prepend' | 'body-prepend'
+            // 请参考 https://vitejs.dev/guide/api-plugin.html#transformindexhtml
             injectTo: 'body-prepend',
             tag: 'div',
             attrs: {