diff --git a/pages.json b/pages.json
index 2bebce3..08295bb 100644
--- a/pages.json
+++ b/pages.json
@@ -431,9 +431,9 @@
 		"borderStyle": "black",
 		"backgroundColor": "#ffffff",
 		"height": "50px",
-		"fontSize": "8px",
-		"iconWidth": "16px",
-		"spacing": "-3px",
+		"fontSize": "10px",
+		"iconWidth": "24px",
+		"spacing": "3px",
 		"list": [{
 			"pagePath": "pages/home/index",
 			"iconPath": "static/icon-home.png",
diff --git a/utils/index.js b/utils/index.js
index 3de2e27..d7384e0 100644
--- a/utils/index.js
+++ b/utils/index.js
@@ -82,7 +82,7 @@ export function isType(arg, type) {
 }
 
 export function isWeixin() {
-	if (navigator && navigator.userAgent.toLowerCase().indexOf("micromessenger") !== -1) {
+	if (navigator && navigator.userAgent && navigator.userAgent.toLowerCase().indexOf("micromessenger") !== -1) {
 		return true
 	}
 	return false
@@ -608,7 +608,7 @@ export function routerPermissions(url, type) {
 			})
 			cookie.set('redirect', path)
 		})
-	// } else if (Vue.prototype.$deviceType == 'weixin') {
+		// } else if (Vue.prototype.$deviceType == 'weixin') {
 		// wechat().then(() => oAuth());
 		// if (!type) {
 		// 	push({