update json format

tags.json

@@ -2,12 +2,12 @@
     {
     "id" : 1 ,
     "name" : "编程语言" ,
-    "tags" : "c, c++, c#, perl, java, erlang, go, javascript, objective-c, kotlin, swift, qt, lua, ruby, bash, batch, julia, r, scala, Julia, typescript, php, python, rust"
+    "tags" : ["c","c++","c#","perl","java","erlang","go","javascript","objective-c","kotlin","swift","qt","lua","ruby","bash","batch","julia","r","scala","Julia","typescript","php","python","rust"]
     },
     {
     "id" : 2 ,
     "name" : "游戏" ,
-    "tags" : "游戏引擎, unity, unity3d, pygame, cocos2d, cocos2d-x, cocos2d-java, corona sdk, cryengine, 小游戏, VR, AR"
+    "tags" : ["游戏引擎","unity","unity3d","pygame","cocos2d","cocos2d-x","cocos2d-java","corona sdk","cryengine","小游戏","VR","AR"]
     },
     {
     "id" : 3 ,
@@ -78,5 +78,5 @@
     "id" : 16 ,
     "name" : "操作系统" ,
     "tags" : "linux, windows, win10, gnu , octave, ios, macos, blackberry, 鸿蒙, centos, ubuntu"
-    },
+    }
 ]
\ No newline at end of file