Merge branch 'iteration-work' into jenkins

src/views/prepare-lessons/components/lesson-main/train/assign-student/index.tsx

@@ -51,6 +51,7 @@ export default defineComponent({
       checkAllStatus: false,
       indeterminate: false,
       searchFrom: {
+        upgradeFlag: true,
         currentGradeNum: props.currentGradeNum || '',
         gradeYear: null,
         classGroupId: props.classGroupId || '',