fix

@@ -7,15 +7,11 @@ Component({
         }
     },
     data: {
-        address: {
-            consignee: '',
-            mobile: '',
-            areaText: ''
-        }
+        address: {}
     },
     methods: {
         _addressChange(address) {
-            if (address) {
+            if (address && address.area && address.address) {
                 const length = 45;
                 let areaText = `${address.area} ${address.address}`;
 
@@ -24,6 +20,8 @@ Component({
                 }
 
                 address.areaText = areaText;
+                address.consignee = address.consignee || '';
+                address.mobile = address.mobile || '';
             }
 
             this.setData({address});