u: 参数二级是对象的先解码再编码

src/polyfill/request.js

@@ -72,6 +72,7 @@ function request (opt) {
         var val = urlParams[key]
         var val = urlParams[key]
         if (isObject(val)) {
         if (isObject(val)) {
           val = JSON.stringify(val)
           val = JSON.stringify(val)
+          val = decodeURIComponent(val)//有对象参数的先解码
           val = encodeURIComponent(val)
           val = encodeURIComponent(val)
         } else if (/[^\x00-\xff]/.test(val)) {
         } else if (/[^\x00-\xff]/.test(val)) {
           val = encodeURIComponent(val)
           val = encodeURIComponent(val)