bug fix

src/modules/base/components/ModifyStudent.vue

@@ -183,8 +183,8 @@ export default {
             trigger: "change",
           },
           {
-            message: "学号不能超过50字符",
-            max: 50,
+            message: "学号只能由数字、字母和下划线组成，长度1-30个字符",
+            pattern: /^[a-zA-Z0-9_-]{1,30}$/,
             trigger: "change",
           },
         ],
@@ -267,6 +267,7 @@ export default {
   methods: {
     initData(val) {
       this.modalForm = this.$objAssign(initModalForm, val);
+      this.modalForm.score = this.modalForm.score || undefined;
     },
     visibleChange() {
       this.initData(this.instance);