Update uniCloud.js

docs/.vuepress/config/siderbar/uniCloud.js

 export default {
-  contactItems: [
-    {
-      name: 'uniCloud Web控制台',
-      url: 'https://unicloud.dcloud.net.cn',
-      imageUrl: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/cloud@2x.jpg'
-    },
-    {
-      name: '插件市场',
-      url: 'https://ext.dcloud.net.cn/',
-      imageUrl: 'https://img-cdn-aliyun.dcloud.net.cn/dev/img/ext/favicon.png'
-    },
-    {
-      name: 'ask问答社区',
-      url: 'https://ask.dcloud.net.cn/explore/',
-      imageUrl: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/d@2x.png'
-    },
-    {
-      name: 'uniAD',
-      url: 'https://uniad.dcloud.net.cn',
-      imageUrl: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/uniad-520.png'
-    },
-    {
-      name: 'uni统计',
-      url: 'https://tongji.dcloud.net.cn/',
-      imageUrl: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/uni-tongji-icon.png'
-    }
-  ],
-  qq_group: [
-    {
-      "number": "1012245137",
-      "state": 1,
-      "prefix": "群1"
-    },
-    {
-      "number": "749911289",
-      "state": 1,
-      attendance: 1000,
-      "prefix": "群2"
-    },
-    {
-      "number": "599819864",
-      "state": 1,
-      attendance: 1000,
-      "prefix": "群3"
-    },
-    {
-      "number": "806429316",
-      "state": 1,
-		attendance: 1000,
-      "prefix": "群5"
-    },
-	 {
-	   "number": "641753405",
-	   "state": 0,
-	   "prefix": "群4",
-     joinQQGroupHref: 'https://qm.qq.com/cgi-bin/qm/qr?k=77pERN_ZHJTg8-0DLqyhEneL0Z5BfARm&jump_from=webapi&authKey=viHcvPhol/MXDpw7g5nuwL5PwP0PrS3gkLNibRh3Z/V93NdZCHrVMT18c75urfSR'
-	 }
-  ]
-}
+	contactItems: [{
+			name: 'uniCloud Web控制台',
+			url: 'https://unicloud.dcloud.net.cn',
+			imageUrl: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/cloud@2x.jpg'
+		},
+		{
+			name: '插件市场',
+			url: 'https://ext.dcloud.net.cn/',
+			imageUrl: 'https://img-cdn-aliyun.dcloud.net.cn/dev/img/ext/favicon.png'
+		},
+		{
+			name: 'ask问答社区',
+			url: 'https://ask.dcloud.net.cn/explore/',
+			imageUrl: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/d@2x.png'
+		},
+		{
+			name: 'uniAD',
+			url: 'https://uniad.dcloud.net.cn',
+			imageUrl: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/uniad-520.png'
+		},
+		{
+			name: 'uni统计',
+			url: 'https://tongji.dcloud.net.cn/',
+			imageUrl: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/uni-tongji-icon.png'
+		}
+	],
+	qq_group: [{
+			"number": "1012245137",
+			"state": 1,
+			attendance: 2000,
+			"prefix": "群1"
+		},
+		{
+			"number": "749911289",
+			"state": 1,
+			attendance: 1000,
+			"prefix": "群2"
+		},
+		{
+			"number": "599819864",
+			"state": 1,
+			attendance: 1000,
+			"prefix": "群3"
+		},
+		{
+			"number": "641753405",
+			"state": 1,
+			attendance: 1000,
+			"prefix": "群4"
+		},
+		{
+			"number": "806429316",
+			"state": 1,
+			attendance: 2000,
+			"prefix": "群5"
+		},
+		{
+			"number": "741357947",
+			"state": 0,
+			"prefix": "群6",
+			joinQQGroupHref: 'https://qm.qq.com/cgi-bin/qm/qr?k=GmOeLLMnc5WcgNllzKEsq7UG0Oq-8DHp&jump_from=webapi&authKey=LL8+4dkOgBwUqJ8aapXJD2/tOSi/PFO5ZAuhr7eD7obfLtXEvGsFvhGjC8pj2PfM'
+		}
+	]
+}
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