diff --git a/src/app/key-unit/fire-fighting-device/fire-fighting-device.component.ts b/src/app/key-unit/fire-fighting-device/fire-fighting-device.component.ts
index 2661785..bf39ebe 100644
--- a/src/app/key-unit/fire-fighting-device/fire-fighting-device.component.ts
+++ b/src/app/key-unit/fire-fighting-device/fire-fighting-device.component.ts
@@ -532,7 +532,7 @@ export class FireFightingDeviceComponent implements OnInit {
       data.push(msg)
       if (index == item.facilityItems.length - 1) {
         this.http.post('/api/BuildingFacilityItems/Batch', data, { params: header }).subscribe(data => {
-          let putBody
+          let putBody = []
           if (item.name == '消防水源') {
             putBody = returnBody(this.fireWaterSupply, '消防水源')
           } else if (item.name == '消防水系统') {