修复url公共参数格式问题

@@ -61,9 +61,7 @@ const sign = async(data, encode = false) => {
     return '';
   }
 
-  data = stringify(data, {
-    encode: encode
-  });
+  data = stringifyParam(data, encode)
 
   return HmacSHA256(data, verifyKey).toString();
 
@@ -73,6 +71,12 @@ const sign = async(data, encode = false) => {
   //   verifyKey = 'bc330db80e80fa1f0204e7bbf83063f2'
   // }
 }
+const stringifyParam = (data, encode = false) => {
+  data = stringify(data, {
+    encode: encode
+  });
+  return data
+}
 export const computeSecret = (data, url, encode = false) => {
   let newData = {
     private_key: dataUtils.getConfig().apiParams.private_key
@@ -89,7 +93,7 @@ export const computeSecret = (data, url, encode = false) => {
 
   if (url) {
     let body = createBody(data);
-    let queryStrigPair = sign(body, true);
+    let queryStrigPair = stringifyParam(body, true);;
 
     url = url.indexOf('?') >= 0 ? url + '&' + queryStrigPair : url + '?' + queryStrigPair;
     newData.url = url