增加文件系统存储功能,修复上传功能

Change-Id: I7b76c0a78fa0a02018fa76e932d283e29b35d4be
diff --git a/.gitignore b/.gitignore
index d2bc02a..d18094f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 .env.development
 package-lock.json
 Merge/front/node_modules
+Merge/back_jwlll/models