diff --git a/.idea/modules.xml b/.idea/modules.xml
index cc47053..0d30011 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,7 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/awesomeProject.iml" filepath="$PROJECT_DIR$/.idea/awesomeProject.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/GoCode.iml" filepath="$PROJECT_DIR$/.idea/GoCode.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index 94a25f7..35eb1dd 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/main.go b/main.go
index 02c9d2b..8fd72b5 100644
--- a/main.go
+++ b/main.go
@@ -11,6 +11,8 @@ func main() {
 		fmt.Println("You are 9%")
 	case 8:
 		fmt.Println("You are 8%")
+		//switch传透下一层
+		fallthrough
 	case 7:
 		fmt.Println("You are 7%")
 	case 6: