fix: 纠错课程变化学生列表为刷新

src/modules/base/components/ModifyStudent.vue

@@ -119,7 +119,6 @@
             v-model.trim="modalForm[field.code]"
             :placeholder="`请输入${field.name}`"
             clearable
-            :max-length="100"
           ></el-input>
         </el-form-item>
       </template>

src/modules/record/components/LibraryDialog.vue

@@ -29,6 +29,7 @@
               class="width-full"
               placeholder="课程（代码）"
               clearable
+              @change="getStudentList"
             ></course-select>
             <el-divider></el-divider>
             <h4 class="mb-1">绑定学生：</h4>