diff --git a/.gitignore b/.gitignore
index b7a24de..ce76620 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,9 +6,6 @@
 __pycache__/
 *.py[cod]
 
-# === Overleaf（独立管理）===
-officefile/latex/
-
 # === officefile 内部 ===
 officefile/.obsidian/
 officefile/.pandoc/
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..4bf7913
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "officefile/latex"]
+	path = officefile/latex
+	url = http://100.123.97.90:8081/git/6a19beeef367e9391edbb6b7
diff --git a/officefile/latex b/officefile/latex
new file mode 160000
index 0000000..693bc40
--- /dev/null
+++ b/officefile/latex
@@ -0,0 +1 @@
+Subproject commit 693bc405af33fb5d55a53653c1712a45ed2f59a2