!2181 解决检查出来的格式问题

Merge pull request !2181 from 小马奔腾/master

en/application-dev/reference/apis/js-apis-util.md

@@ -2321,7 +2321,7 @@ Checks whether the input value is a string object.
 
 ### isSymbolObjec<sup>8+</sup>
 
-isSymbolObjec(value: Object):boolean
+isSymbolObjec(value: Object): boolean
 
 Checks whether the input value is a symbol object.
 

zh-cn/application-dev/reference/apis/js-apis-util.md

@@ -2321,7 +2321,7 @@ isStringObject(value: Object):boolean
 
 ### isSymbolObjec<sup>8+</sup>
 
-isSymbolObjec(value: Object):boolean
+isSymbolObjec(value: Object): boolean
 
 检查输入的value是否是Symbol对象类型。