diff --git a/src/views/work/resource/index.vue b/src/views/work/resource/index.vue
index 3d2a709..63e5570 100644
--- a/src/views/work/resource/index.vue
+++ b/src/views/work/resource/index.vue
@@ -299,11 +299,12 @@ export default {
     },
 
     removeMaterial() {
+      let materialId = this.dataList[this.indexSelect].id
       if (this.indexSelect === 0) {
         return
       } else {
-        this.$modal.confirm('是否确认删除钽靶编号为"' + this.dataList[this.indexSelect].id + '"的数据项？').then(function () {
-          return deleteMaterial(this.dataList[this.indexSelect].id)
+        this.$modal.confirm('是否确认删除钽靶编号为"' + materialId + '"的数据项？').then(function () {
+          return deleteMaterial(materialId)
         }).then(() => {
           this.getDataList()
           this.$modal.msgSuccess("删除成功");