Merge branch 'dev' of github.com:dcloudio/uni-app into dev

src/platforms/mp-toutiao/runtime/api/protocols.js

@@ -153,9 +153,9 @@ const protocols = {
     }
   },
   requestPayment: {
-    name: tt.canIUse && tt.canIUse('pay') ? 'pay' : 'requestPayment',
+    name: tt.pay ? 'pay' : 'requestPayment',
     args: {
-      orderInfo: tt.canIUse && tt.canIUse('pay') ? 'orderInfo' : 'data'
+      orderInfo: tt.pay ? 'orderInfo' : 'data'
     }
   },
   getFileInfo: {