diff --git a/.gitmodules b/.gitmodules
index 729253e5..75419afb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,5 +5,5 @@
     path = refs/ns-ext
     url = https://github.com/nsnail/ns-ext.git
 [submodule "refs/NetAdmin.FreeSql"]
-    path = refs/NetAdmin.FreeSql
-    url = https://github.com/nsnail/NetAdmin.FreeSql.git
\ No newline at end of file
+	path = refs/NetAdmin.FreeSql
+	url = https://github.com/nsnail/NetAdmin.FreeSql.git
diff --git a/refs/NetAdmin.FreeSql b/refs/NetAdmin.FreeSql
new file mode 160000
index 00000000..c541d347
--- /dev/null
+++ b/refs/NetAdmin.FreeSql
@@ -0,0 +1 @@
+Subproject commit c541d3470e686c84a6b631f08832a1aad14605b7