update

server/service/course/course_signup.go

@@ -45,7 +45,7 @@ func (courseSignupService *CourseSignupService)UpdateCourseSignup(courseSignup c
 		tx.Rollback()
 		return
 	}
-	err = tx.Model(&course.CourseSignup{}).Where("id = ?",courseSignup.ID).Error
+	err = tx.Model(&course.CourseSignup{}).Where("id = ?",courseSignup.ID).First(&preSign).Error
 	if err != nil {
 		tx.Rollback()
 		return

web/src/view/courseUsers/courseUsers.vue

@@ -70,6 +70,7 @@
             <template #default="scope">{{ formatDate(scope.row.CreatedAt) }}</template>
         </el-table-column>
         <el-table-column align="left" label="地址" prop="address" width="120" />
+          <el-table-column align="left" label="学号" prop="number" width="120" />
         <el-table-column align="left" label="姓名" prop="name" width="120" />
         <el-table-column align="left" label="年龄" prop="age" width="120" />
         <el-table-column align="left" label="性别 0 女性 1 男性" prop="sex" width="120">