diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..c1a58e1ea9d5b58996ec5f1306992af37cf9d581
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "fluid/SimNet"]
+	path = fluid/SimNet
+	url = https://github.com/baidu/AnyQ.git
+[submodule "fluid/LAC"]
+	path = fluid/LAC
+	url = https://github.com/baidu/lac
+[submodule "fluid/Senta"]
+	path = fluid/Senta
+	url = https://github.com/baidu/Senta
diff --git a/fluid/LAC b/fluid/LAC
new file mode 160000
index 0000000000000000000000000000000000000000..66660503bb6e8f34adc4715ccf42cad77ed46ded
--- /dev/null
+++ b/fluid/LAC
@@ -0,0 +1 @@
+Subproject commit 66660503bb6e8f34adc4715ccf42cad77ed46ded
diff --git a/fluid/Senta b/fluid/Senta
new file mode 160000
index 0000000000000000000000000000000000000000..870651e257750f2c237f0b0bc9a27e5d062d1909
--- /dev/null
+++ b/fluid/Senta
@@ -0,0 +1 @@
+Subproject commit 870651e257750f2c237f0b0bc9a27e5d062d1909
diff --git a/fluid/SimNet b/fluid/SimNet
new file mode 160000
index 0000000000000000000000000000000000000000..4dbe7f7b0e76c188eb7f448d104f0165f0a12229
--- /dev/null
+++ b/fluid/SimNet
@@ -0,0 +1 @@
+Subproject commit 4dbe7f7b0e76c188eb7f448d104f0165f0a12229