修改样式

src/components/common/common-navbar.vue

 <template>
-  <section v-if="!isWeb" :class="isFixNavbar ? 'nav-top fixed' : 'nav-top'" :style="'height:' + navHeight">
+<!-- v-if="!isWeb" -->
+  <section  :class="isFixNavbar ? 'nav-top fixed' : 'nav-top'" :style="'height:' + navHeight">
     <div
       class="nav-part"
       :style="'background:' + bgColor + ';'
@@ -105,7 +106,12 @@ export default {
     isInMergeDetail: {
       type: Boolean,
       default: true
+    },
+    isCustomBack: {
+      type: Boolean,
+      default: false
     }
+
   },
   computed: {
     ...mapGetters(["userInfo"]),
@@ -129,11 +135,16 @@ export default {
   methods: {
     //返回
     goBack() {
-      if(this.isWeb) {
-        window.history.back();
-      } else {
-        rocNative.goBack();
+      if(this.isCustomBack){
+        this.$emit("customBack");
+      }else{
+        if(this.isWeb) {
+          window.history.back();
+        } else {
+          rocNative.goBack();
+        }
       }
+
     },
 
     // 生成分享的url

src/views/coupon-center/index.vue

 <template>
-  <section class="coupon-list-wrapper" :class="{ 'no-pt': isWeb,'pt-88':isWeb }">
+  <section
+    class="coupon-list-wrapper"
+    :class="{ 'no-pt': isWeb, 'pt-88': isWeb }"
+  >
     <div class="page-wrapper">
       <!-- <common-header
       :bg-color="bgColor"
@@ -17,6 +20,8 @@
         :title="navTitle"
         :isFixNavbar="isFixNavbar"
         :isInMergeDetail="isInMergeDetail"
+        :isCustomBack="true"
+        @customBack="goBack"
       >
       </CommonNavbar>
       <div class="page-content">
@@ -179,6 +184,10 @@ export default {
       console.log(this.show, item);
     },
     close() {},
+    goBack() {
+      console.log('back')
+      window.history.back();
+    },
   },
 };
 </script>
@@ -194,7 +203,7 @@ export default {
   }
 }
 .page-wrapper {
-  padding-top: 64px;
+  padding-top: 74px;
   height: auto;
   display: flex;
   flex-direction: column;

src/views/coupon/coupon-list.vue

@@ -225,7 +225,7 @@ export default {
   }
 }
 .page-wrapper {
-  padding-top: 114px;
+  padding-top: 124px;
   height: 100vh;
   background-color: #f5f6f8;
   display: flex;