修改结构

 <template>
     <div class="container">
         <div class="wrapper">
-            <div class="nav-box selected" :class="[isYZT?'selected':'no-selected']" @click="jumpNav('isYZT')">
+            <div class="nav-box" :class="[isYZT?'selected':'no-selected']" @click="jumpNav('isYZT')">
                 <span>一张图</span>
             </div>
-            <div class="nav-box no-selected" :class="[isCGSC?'selected':'no-selected']" @click="jumpNav('isCGSC')">
+            <div class="nav-box" :class="[isCGSC?'selected':'no-selected']" @click="jumpNav('isCGSC')">
                 <span>成果审查管理</span>
             </div>
-            <div class="nav-box no-selected" :class="[isSSJD?'selected':'no-selected']" @click="jumpNav('isSSJD')">
+            <div class="nav-box" :class="[isSSJD?'selected':'no-selected']" @click="jumpNav('isSSJD')">
                 <span>实施监督预警</span>
             </div>
-            <div class="nav-box no-selected" :class="[isPGJG?'selected':'no-selected']" @click="jumpNav('isPGJG')">
+            <div class="nav-box" :class="[isPGJG?'selected':'no-selected']" @click="jumpNav('isPGJG')">
                 <span>批后监管</span>
             </div>
         </div>
-
     </div>
 </template>
 
@@ -24,16 +23,20 @@
         components: {},
         data() {
             return {
-                isYZT: true, // 一张图
-                isCGSC: false, // 成果审查管理
+                isYZT: false, // 一张图
+                isCGSC: true, // 成果审查管理
                 isSSJD: false, // 实施监督预警
                 isPGJG: false, // 批后监管
+                flagArr: ['isYZT', 'isCGSC', 'isSSJD', 'isPGJG']
             }
         },
         mounted() {},
         methods: {
             jumpNav(val) {
-                this[val] = !this[val];
+                this.flagArr.forEach(ele => {
+                    if (ele == val) this[val] = true;
+                    else this[ele] = false;
+                });
             },
         }
     }
@@ -51,9 +54,9 @@
         justify-content: space-around;
         font-size: 24px;
         color: #FFFFFF;
+        cursor: pointer;
     }
 
-
     .nav-box {
         width: 306px !important;
         text-align: center;

 <template>
     <div class="container">
-        <div class="assert-list" 
-            :class="[isAssert?'a-selected':'a-no-selected']" 
-            @click="changeSelect('isAssert')">
+        <div class="assert-list" :class="[isAssert?'a-selected':'a-no-selected']" @click="changeSelect('isAssert')">
             <div class="expend">
                 <img src="../assets/一张图/icon_资源目录.png" alt="">
             </div>
@@ -12,9 +10,7 @@
             <treeSearch @foldAssert='foldAssert'></treeSearch>
         </div>
 
-         <div class="assert-list" 
-         :class="[isZTFX?'a-selected':'a-no-selected']" 
-         @click="changeSelect('isZTFX')"
+        <div class="assert-list" :class="[isZTFX?'a-selected':'a-no-selected']" @click="changeSelect('isZTFX')"
             style="margin-top: 30px;">
             <div class="expend">
                 <img src="../assets/一张图/icon_专题分析.png" alt="">
@@ -25,9 +21,7 @@
             <treeSearch @foldAssert='foldAssert'></treeSearch>
         </div>
 
-        <div class="assert-list" 
-        :class="[isFASC?'a-selected':'a-no-selected']" 
-        @click="changeSelect('isFASC')"
+        <div class="assert-list" :class="[isFASC?'a-selected':'a-no-selected']" @click="changeSelect('isFASC')"
             style="margin-top: 30px;">
             <div class="expend">
                 <img src="../assets/一张图/icon_方案审查.png" alt="">
@@ -42,7 +36,6 @@
 </template>
 
 <script>
-
     import treeSearch from './treeSearch';
 
 
@@ -65,7 +58,8 @@
         methods: {
             changeSelect(val) {
                 this.keepKey.forEach(ele => {
-                    if(val == ele) this[ele] = true; else this[ele] = false;
+                    if (val == ele) this[ele] = true;
+                    else this[ele] = false;
                 })
             },
             foldAssert() {
@@ -90,7 +84,7 @@
         cursor: pointer;
     }
 
-    .a-selected{
+    .a-selected {
         background-image: url('../assets/一张图/bg_资源目录.png');
     }
 

@@ -32,8 +32,7 @@
         name: 'mapPop',
         components: {},
         data() {
-            return {
-            }
+            return {}
         },
         mounted() {},
         methods: {
@@ -51,14 +50,14 @@
         font-size: 16px;
     }
 
-    .list-box span:nth-of-type(1){
+    .list-box span:nth-of-type(1) {
         display: inline-block;
         width: 98px;
         margin-right: 20px;
         color: rgba(255, 255, 255, .7);
     }
 
-     .list-box span:nth-of-type(2){
+    .list-box span:nth-of-type(2) {
         margin-top: 14px;
         display: inline-block;
     }

@@ -36,6 +36,9 @@
         },
         mounted() {},
         methods: {
+            handleSearch(val) {
+                this.$emit('searchRoat', val);
+            },
             handleIs2D() {
                 this.is2D = !this.is2D;
                 this.$emit('is2D', this.is2D);
@@ -52,9 +55,6 @@
                 this.isClear = !this.isClear;
                 this.$emit('isClear', this.isClear);
             },
-            handleSearch(val) {
-                this.$emit('searchRoat', val);
-            }
         }
     }
 </script>