fix issue

web_src/js/index.js

@@ -4093,19 +4093,18 @@ function initVueDataset() {
       sortIcon(dom, sort) {
         const params = new URLSearchParams(location.search)
         if (sort === "up") {
-
           if (params.toString() === '') {
             location.href = `${location.href}?sort=${dom}Asc`
           }
           else if (!params.get('sort')) {
             location.href = `${location.href}&sort=${dom}Asc`
-          } else if (params.get('sort').indexOf(`${dom}`) === -1) {
+          } else if (params.get('sort') && params.get('sort').indexOf(`${dom}Asc`) !== -1) {
+            params.delete('sort')
+            location.search = params.toString()
+          } else {
             params.set("sort", `${dom}Asc`)
             let asc = params.toString()
             location.search = asc
-          } else {
-            params.delete('sort')
-            location.search = params.toString()
           }
         }
         else if (sort === "down") {
@@ -4115,13 +4114,13 @@ function initVueDataset() {
           else if (!params.get('sort')) {
             location.href = `${location.href}&sort=${dom}Desc`
           }
-          else if (params.get('sort').indexOf(`${dom}`) === -1) {
+          else if (params.get('sort') && params.get('sort').indexOf(`${dom}Desc`) !== -1) {
+            params.delete('sort')
+            location.search = params.toString()
+          } else {
             params.set("sort", `${dom}Desc`)
             let asc = params.toString()
             location.search = asc
-          } else {
-            params.delete('sort')
-            location.search = params.toString()
           }