Fix(AI):[#3612]进入问答页面后，点击左上角返回按钮，会直接返回小程序首页，改为返回到AI首页

aiChat/views/index.vue

@@ -4,14 +4,16 @@
     class="fix-tabbar-page"
   >
     <hx-navbar
-      :back="true"
+      :back="false"
       :fixed="true"
       :statusBar="true"
       :pageScroll.sync="scrollData"
+      left-icon="arrowleft"
       color="#333"
       transparent="auto"
       barPlaceholder="hidden"
       title="云灵AI智能助手"
+      @click-left="clickBackHandle"
     />
     <view
       id="fixTbabarBody"
@@ -270,6 +272,20 @@ export default {
       this.loading = false
       this.getConfigLoading = false
       this.chatMessageList = []
+    },
+    clickBackHandle() {
+      console.log(1)
+      if (!this.chatNumber) {
+        if (getCurrentPages().length > 1) {
+          uni.navigateBack()
+        } else {
+          uni.reLaunch({
+            url: '/pages/home/index'
+          })
+        }
+      } else {
+        this.createNewHandle()
+      }
     }
   }
 }