add gitsubmodules

.gitmodules

@@ -1,9 +1,9 @@
 [submodule "dygraph/PaddleClas"]
 	path = dygraph/PaddleClas
 	url = https://github.com/PaddlePaddle/PaddleClas.git
-[submodule "dygraph/PaddleSeg"]
-	path = dygraph/PaddleSeg
-	url = https://github.com/PaddlePaddle/PaddleSeg.git
 [submodule "dygraph/PaddleDetection"]
 	path = dygraph/PaddleDetection
 	url = https://github.com/PaddlePaddle/PaddleDetection.git
+[submodule "dygraph/PaddleSeg"]
+	path = dygraph/PaddleSeg
+	url = https://github.com/PaddlePaddle/PaddleSeg.git