调整格式

languages/vimscript.md

@@ -149,6 +149,8 @@ false
 
 ## If, For, While, and Try/Catch
 
+条件判断：
+
 ```VimL
 if <expression>
     ...
@@ -157,12 +159,19 @@ elseif <expression>
 else
     ...
 endif
+```
+
+循环：
+
+```VimL
 for <var> in <list>
     continue
     break
 endfor
 ```
 
+复杂循环：
+
 ```VimL
 for [var1, var2] in [[1, 2], [3, 4]]
     " on 1st loop, var1 = 1 and var2 = 2
@@ -170,11 +179,15 @@ for [var1, var2] in [[1, 2], [3, 4]]
 endfor
 ```
 
+While 循环：
+
 ```VimL
 while <expression>
 endwhile
 ```
 
+异常捕获：
+
 ```VimL
 try
     ...