bug fix

src/onlineSelling/pages/detail/index.js

           houseDetail: !res ? {} : res,
           buildingImgList: (res && res.buildingImgList) || []
         })
+      }).catch(err => {
+        Taro.hideToast()
+        if (err.message) {
+          Taro.showToast({
+            title: err.message,
+            icon: 'none',
+            duration: 3000
+          })
+          setTimeout(() => {
+            Taro.navigateBack({
+              delta: 1
+            })
+          }, 3000)
+        }
       })
 
     })