feat: 修复员工管理功能并优化UI

lrj

2025-10-01 7ad9c3c93f0cc103347ae2e2429e0122fb512e24

 backend/src/main/java/com/rongyichuang/common/enums/MediaTargetType.java

@@ -28,11 +28,6 @@
    ACTIVITY_PLAYER_SUBMISSION(5, "参赛报名资料"),
    
    /**
     * 学员头像
     */
    STUDENT_AVATAR(6, "学员头像"),
    
    /**
     * 用户头像
     */
    USER_AVATAR(7, "用户头像");