fix: 行业重复显示问题排查

Signed-off-by: tsz <2417024719@qq.com>

src/web/staticres/dataExport/js/delbox.js

@@ -115,7 +115,9 @@ var DelBox = function () {
           return v !== _this3.arr[index];
         });
         var d = this.domArr.splice(index, 1)[0];
-        d.remove();
+        if(d) {
+          d.remove();
+        }
       }
     }
   }]);