diff --git a/docs/content/doc/developers/guidelines-frontend.md b/docs/content/doc/developers/guidelines-frontend.md
index 300f02b0e0..d141153329 100644
--- a/docs/content/doc/developers/guidelines-frontend.md
+++ b/docs/content/doc/developers/guidelines-frontend.md
@@ -36,7 +36,7 @@ Guidelines specialized for Gitea:
 3. HTML ids and classes used in JavaScript should be unique for the whole project, and should contain 2-3 feature related keywords. We recommend to use the `js-` prefix for classes that are only used in JavaScript.
 4. jQuery events across different features should use their own namespaces.
 5. CSS styling for classes provided by frameworks should not be overwritten. Always use new class-names to overwrite framework styles. We recommend to use the `us-` prefix for user defined styles.  
-6. The backend can pass complex data to the frontend by using `ctx.PageData["myModuleData"] = map{}`
+6. The backend can pass complex data to the frontend by using `ctx.PageData["myModuleData"] = map[]{}`
 7. Simple pages and SEO-related pages use Go HTML Template render to generate static Fomantic-UI HTML output. Complex pages can use Vue2 (or Vue3 in future).
 
 ## Legacy Problems and Solutions
diff --git a/modules/context/context.go b/modules/context/context.go
index b733eadad0..a1155980d1 100644
--- a/modules/context/context.go
+++ b/modules/context/context.go
@@ -51,7 +51,7 @@ type Context struct {
 	Resp     ResponseWriter
 	Req      *http.Request
 	Data     map[string]interface{} // data used by MVC templates
-	PageData map[string]interface{} // data used by JavaScript modules in one page
+	PageData map[string]interface{} // data used by JavaScript modules in one page, it's `window.config.pageData`
 	Render   Render
 	translation.Locale
 	Cache   cache.Cache
@@ -648,7 +648,7 @@ func Contexter() func(next http.Handler) http.Handler {
 					"IsProd":        setting.IsProd(),
 				},
 			}
-			// PageData is passed by reference, and it will be rendered to `window.config.PageData` in `head.tmpl` for JavaScript modules
+			// PageData is passed by reference, and it will be rendered to `window.config.pageData` in `head.tmpl` for JavaScript modules
 			ctx.PageData = map[string]interface{}{}
 			ctx.Data["PageData"] = ctx.PageData
 
diff --git a/templates/base/head.tmpl b/templates/base/head.tmpl
index dc42736d1d..80bb121c6b 100644
--- a/templates/base/head.tmpl
+++ b/templates/base/head.tmpl
@@ -26,7 +26,7 @@
 			CustomEmojis: {{CustomEmojis}},
 			UseServiceWorker: {{UseServiceWorker}},
 			csrf: '{{.CsrfToken}}',
-			PageData: {{ .PageData }},
+			pageData: {{ .PageData }},
 			HighlightJS: {{if .RequireHighlightJS}}true{{else}}false{{end}},
 			SimpleMDE: {{if .RequireSimpleMDE}}true{{else}}false{{end}},
 			Tribute: {{if .RequireTribute}}true{{else}}false{{end}},
diff --git a/templates/repo/issue/view_content.tmpl b/templates/repo/issue/view_content.tmpl
index 95c9296174..9ad6bee651 100644
--- a/templates/repo/issue/view_content.tmpl
+++ b/templates/repo/issue/view_content.tmpl
@@ -9,7 +9,7 @@
 	{{end}}
 
 	<!-- I know, there is probably a better way to do this (moved from sidebar.tmpl, original author: 6543 @ 2021-02-28) -->
-	<!-- Agree, there should be a better way, eg: introduce window.config.PageData (original author: wxiaoguang @ 2021-09-05) -->
+	<!-- Agree, there should be a better way, eg: introduce window.config.pageData (original author: wxiaoguang @ 2021-09-05) -->
 	<input type="hidden" id="repolink" value="{{$.RepoRelPath}}">
 	<input type="hidden" id="repoId" value="{{.Repository.ID}}">
 	<input type="hidden" id="issueIndex" value="{{.Issue.Index}}"/>
diff --git a/web_src/js/components/DashboardRepoList.js b/web_src/js/components/DashboardRepoList.js
index 559fa1d1be..7ae62af0a0 100644
--- a/web_src/js/components/DashboardRepoList.js
+++ b/web_src/js/components/DashboardRepoList.js
@@ -1,7 +1,7 @@
 import Vue from 'vue';
 import {initVueSvg, vueDelimiters} from './VueComponentLoader.js';
 
-const {AppSubUrl, AssetUrlPrefix, PageData} = window.config;
+const {AppSubUrl, AssetUrlPrefix, pageData} = window.config;
 
 function initVueComponents() {
   Vue.component('repo-search', {
@@ -350,7 +350,7 @@ function initVueComponents() {
 
 function initDashboardRepoList() {
   const el = document.getElementById('dashboard-repo-list');
-  const dashboardRepoListData = PageData.dashboardRepoList || null;
+  const dashboardRepoListData = pageData.dashboardRepoList || null;
   if (!el || !dashboardRepoListData) return;
 
   initVueSvg();
diff --git a/web_src/js/components/RepoActivityTopAuthors.vue b/web_src/js/components/RepoActivityTopAuthors.vue
index a5975f4f63..d510695b1d 100644
--- a/web_src/js/components/RepoActivityTopAuthors.vue
+++ b/web_src/js/components/RepoActivityTopAuthors.vue
@@ -68,7 +68,7 @@ const sfc = {
     // * home_link: (...)
     // * login: (...)
     // * name: (...)
-    activityTopAuthors: window.config.PageData.repoActivityTopAuthors || [],
+    activityTopAuthors: window.config.pageData.repoActivityTopAuthors || [],
   }),
   computed: {
     graphPoints() {
diff --git a/web_src/js/features/admin-users.js b/web_src/js/features/admin-users.js
index b01c66afe2..5863c5480f 100644
--- a/web_src/js/features/admin-users.js
+++ b/web_src/js/features/admin-users.js
@@ -1,5 +1,5 @@
 export function initAdminUserListSearchForm() {
-  const searchForm = window.config.PageData.adminUserListSearchForm;
+  const searchForm = window.config.pageData.adminUserListSearchForm;
   if (!searchForm) return;
 
   const $form = $('#user-list-search-form');