修改

pages.json

@@ -168,7 +168,7 @@
 		}
 	],
 	"globalStyle": {
-		"navigationBarTextStyle": "black",
+		"navigationBarTextStyle": "white",
 		"navigationBarTitleText": "二手车",
 		"navigationBarBackgroundColor": "#2979ff",
 		"backgroundColor": "#ffffff"

unpackage/dist/dev/mp-weixin/app.json

@@ -33,7 +33,7 @@
     }
   ],
   "window": {
-    "navigationBarTextStyle": "black",
+    "navigationBarTextStyle": "white",
     "navigationBarTitleText": "二手车",
     "navigationBarBackgroundColor": "#2979ff",
     "backgroundColor": "#ffffff"