diff --git a/DouShouQiIOS/DouShouQiIOS/Preview Content/Preview Assets.xcassets/Contents.json b/DouShouQiIOS/DouShouQiIOS/Preview Content/Preview Assets.xcassets/Contents.json
new file mode 100644
index 0000000..73c0059
--- /dev/null
+++ b/DouShouQiIOS/DouShouQiIOS/Preview Content/Preview Assets.xcassets/Contents.json	
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}