diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 16e1f20d..e381598b 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -23,7 +23,7 @@ updates:
       - "Lruihao"
     labels:
       - "dependencies"
-  - package-ecosystem: "gitsubmodule"
+  - package-ecosystem: "gomod"
     directory: "/"
     schedule:
       interval: "weekly"
diff --git a/.github/workflows/algolia-atomic.yml b/.github/workflows/algolia-atomic.yml
index 5495472e..e45cd0c2 100644
--- a/.github/workflows/algolia-atomic.yml
+++ b/.github/workflows/algolia-atomic.yml
@@ -11,6 +11,8 @@ on:
       - 'data/**'
       - 'static/**'
       - 'themes/**'
+      - 'go.mod'
+      - 'go.sum'
   workflow_dispatch:
 
 jobs:
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 424e9eff..00000000
--- a/.gitmodules
+++ /dev/null
@@ -1,6 +0,0 @@
-[submodule "themes/FixIt"]
-	path = themes/FixIt
-	url = https://github.com/hugo-fixit/FixIt.git
-[submodule "themes/shortcode-sponsor-log"]
-	path = themes/shortcode-sponsor-log
-	url = https://github.com/Lruihao/hugo-shortcode-sponsor-log.git
diff --git a/config/_default/hugo.toml b/config/_default/hugo.toml
index 06c24f49..f8a2846c 100644
--- a/config/_default/hugo.toml
+++ b/config/_default/hugo.toml
@@ -13,7 +13,7 @@ baseURL = "http://localhost:1313"
 
 # theme
 # 主题
-theme = ["FixIt", "shortcode-sponsor-log"]
+# theme = ["FixIt", "shortcode-sponsor-log"]
 
 # determines default content language ["en", "zh-cn", "fr", "pl", ...]
 # 设置默认的语言 ["en", "zh-cn", "fr", "pl", ...]
diff --git a/config/_default/module.toml b/config/_default/module.toml
index 44947bad..a70d90e2 100644
--- a/config/_default/module.toml
+++ b/config/_default/module.toml
@@ -4,15 +4,13 @@
 # -------------------------------------------------------------------------------------
 
 # equivalent to `env HUGO_MODULE_REPLACEMENTS="github.com/hugo-fixit/FixIt -> FixIt"`
-# If you want to update the theme, comment out the next line, then run `hugo mod get -u`, then uncomment it.
-# sed -i '' '9s/^/# /' config/_default/module.toml && hugo mod get -u github.com/hugo-fixit/FixIt@master && hugo mod tidy && sed -i '' '9s/^# //' config/_default/module.toml
 # replacements = "github.com/hugo-fixit/FixIt -> FixIt"
 
-# [[imports]]
-#   path = "github.com/hugo-fixit/FixIt"
+[[imports]]
+  path = "github.com/hugo-fixit/FixIt"
 
-# [[imports]]
-#   path = "github.com/Lruihao/hugo-shortcode-sponsor-log"
+[[imports]]
+  path = "github.com/Lruihao/hugo-shortcode-sponsor-log"
 
 [hugoVersion]
   extended = true
diff --git a/go.mod b/go.mod
new file mode 100644
index 00000000..9dd48370
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,8 @@
+module github.com/hugo-fixit/docs
+
+go 1.19
+
+require (
+	github.com/Lruihao/hugo-shortcode-sponsor-log v1.0.0 // indirect
+	github.com/hugo-fixit/FixIt v0.3.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 00000000..e1e892c7
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+github.com/Lruihao/hugo-shortcode-sponsor-log v1.0.0 h1:HN1tKv3xYVZRSz+xt2Wr3hLbqxi5yK6OZRecYj22yyU=
+github.com/Lruihao/hugo-shortcode-sponsor-log v1.0.0/go.mod h1:B0v1x6BWWp5g6w82hBfZkJNPTyTw8Cvt6ccZ7BllA20=
+github.com/hugo-fixit/FixIt v0.3.1 h1:5/ufyAp+SmMfDHOdvP5WtkfcVik30wz1iO5/STNqJyk=
+github.com/hugo-fixit/FixIt v0.3.1/go.mod h1:3XIRedrqakO7/a4ZnhE46haMRF8HgsT0N0B5j5D2iRU=
diff --git a/package.json b/package.json
index 7ece8c4c..b59789af 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,8 @@
     "prepare": "husky install",
     "build": "hugo -v --gc --minify",
     "server": "hugo server  -D --disableFastRender --navigateToChanged --ignoreCache --bind 0.0.0.0",
-    "server:production": "npm run server -- -e production"
+    "server:production": "npm run server -- -e production",
+    "update:theme": "hugo mod get -u github.com/hugo-fixit/FixIt@latest && hugo mod tidy"
   },
   "devDependencies": {
     "atomic-algolia": "^0.3.19",
diff --git a/themes/FixIt b/themes/FixIt
deleted file mode 160000
index 594c89eb..00000000
--- a/themes/FixIt
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 594c89eb1eb18c6777424b6e4f1e65486b3dee59
diff --git a/themes/shortcode-sponsor-log b/themes/shortcode-sponsor-log
deleted file mode 160000
index 09bc7139..00000000
--- a/themes/shortcode-sponsor-log
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 09bc713901228bd185db35b5066f04f8073adc42