bug fix

src/modules/base/components/ModifyStudent.vue

@@ -138,8 +138,8 @@ export default {
             trigger: "change",
           },
           {
-            pattern: /^[a-zA-Z0-9_-]{1,50}$/,
-            message: "只能由数字、字母、短横线和下划线组成",
+            pattern: /^[a-zA-Z0-9]{1,50}$/,
+            message: "学号只能由数字、字母组成",
             trigger: "change",
           },
           {