diff --git a/doc/.DS_Store b/doc/.DS_Store
new file mode 100644
index 0000000..de70294
Binary files /dev/null and b/doc/.DS_Store differ
diff --git a/接龙/demo/src/main/java/com/example/demo/controller/SubDragonController.java b/接龙/demo/src/main/java/com/example/demo/controller/SubDragonController.java
deleted file mode 100644
index d3774eb..0000000
--- a/接龙/demo/src/main/java/com/example/demo/controller/SubDragonController.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.example.demo.controller;
-
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.ResponseBody;
-
-import javax.servlet.http.HttpSession;
-
-
-public class SubDragonController {
-    @ResponseBody
-    @RequestMapping("/subDragon")
-    public int subDragon(int skey,int dragonid,String text) {
-
-    }
-}
\ No newline at end of file