diff --git a/src/views/system/trainingItem/index.vue b/src/views/system/trainingItem/index.vue
index a697dd0..77c4289 100644
--- a/src/views/system/trainingItem/index.vue
+++ b/src/views/system/trainingItem/index.vue
@@ -1304,7 +1304,7 @@ export default {
       if (!this.form.trainingItemSort) {
         this.form.trainingItemSort = null;
       }
-      if (this.form.buyFlag == "") {
+      if (this.form.buyFlag === "") {
         this.form.buyFlag = null;
       }
       this.$refs["form"].validate(valid => {