Updated 远程教学之页面动作消息 (markdown)

@@ -22,7 +22,7 @@ type:templateAction
 ```
 {
 type:templateAction
-subType:basicAction
+subType:basic
 command:tap
 controlId: WordExplanationImage1
 index:2（保证页面内消息按顺序）
@@ -67,7 +67,7 @@ pageIndex:1
 ```
 {
   type:templateAction
-  subType:playerAction
+  subType:player
   command:play
   index:2
   pageIndex:1