fix bug

src/app/routes/supply-management/components/update-external-sn/update-external-sn.component.html

@@ -5,6 +5,6 @@
   <div class="modal-footer">
     <button nz-button type="button" (click)="close()">取消</button>
     <button nz-button type="submit" nzType="primary" (click)="save(sf.value)" [disabled]="!sf.valid"
-      [nzLoading]="service.http.loading">确定</button>
+      [nzLoading]="false">确定</button>
   </div>
 </sf>