fix：toast函数时长

src/web/staticres/js/superSearch.js

@@ -1600,7 +1600,7 @@ function baiduEvent(name) {
 
 // toast上限提示
 function toastFn (text, duration) {
-  if (duration) {
+  if (!duration) {
     duration = 1000
   }
   var _html = ""