diff --git a/JiaolianVO.java b/JiaolianVO.java
index 2c272de..0df4ee3 100644
--- a/JiaolianVO.java
+++ b/JiaolianVO.java
@@ -1,303 +1,198 @@
-package com.entity.vo;
-
-import com.entity.JiaolianEntity;
-import com.baomidou.mybatisplus.annotations.TableField;
-import com.baomidou.mybatisplus.annotations.TableName;
-import com.fasterxml.jackson.annotation.JsonFormat;
-import java.util.Date;
-import org.springframework.format.annotation.DateTimeFormat;
-
-import java.io.Serializable;
-
-/**
- * 教练
- * 手机端接口返回实体辅助类
- * （主要作用去除一些不必要的字段）
- */
-@TableName("jiaolian")
-public class JiaolianVO implements Serializable {
-    private static final long serialVersionUID = 1L;
-
-
-    /**
-     * 主键
-     */
-
-    @TableField(value = "id")
-    private Integer id;
-
-
-    /**
-     * 账户
-     */
-
-    @TableField(value = "username")
-    private String username;
-
-
-    /**
-     * 密码
-     */
-
-    @TableField(value = "password")
-    private String password;
-
-
-    /**
-     * 教练名称
-     */
-
-    @TableField(value = "jiaolian_name")
-    private String jiaolianName;
-
-
-    /**
-     * 教练手机号
-     */
-
-    @TableField(value = "jiaolian_phone")
-    private String jiaolianPhone;
-
-
-    /**
-     * 教练头像
-     */
-
-    @TableField(value = "jiaolian_photo")
-    private String jiaolianPhoto;
-
-
-    /**
-     * 性别
-     */
-
-    @TableField(value = "sex_types")
-    private Integer sexTypes;
-
-
-    /**
-     * 教练邮箱
-     */
-
-    @TableField(value = "jiaolian_email")
-    private String jiaolianEmail;
-
-
-    /**
-     * 教练简介
-     */
-
-    @TableField(value = "jiaolian_content")
-    private String jiaolianContent;
-
-
-    /**
-     * 逻辑删除
-     */
-
-    @TableField(value = "data_delete")
-    private Integer dataDelete;
-
-
-    /**
-     * 添加时间
-     */
-    @JsonFormat(locale="zh", timezone="GMT+8", pattern="yyyy-MM-dd HH:mm:ss")
-	@DateTimeFormat
-
-    @TableField(value = "insert_time")
-    private Date insertTime;
-
-
-    /**
-     * 创建时间  show1 show2 photoShow
-     */
-    @JsonFormat(locale="zh", timezone="GMT+8", pattern="yyyy-MM-dd HH:mm:ss")
-	@DateTimeFormat
-
-    @TableField(value = "create_time")
-    private Date createTime;
-
-
-    /**
-	 * 设置：主键
-	 */
-    public Integer getId() {
-        return id;
-    }
-
-
-    /**
-	 * 获取：主键
-	 */
-
-    public void setId(Integer id) {
-        this.id = id;
-    }
-    /**
-	 * 设置：账户
-	 */
-    public String getUsername() {
-        return username;
-    }
-
-
-    /**
-	 * 获取：账户
-	 */
-
-    public void setUsername(String username) {
-        this.username = username;
-    }
-    /**
-	 * 设置：密码
-	 */
-    public String getPassword() {
-        return password;
-    }
-
-
-    /**
-	 * 获取：密码
-	 */
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-    /**
-	 * 设置：教练名称
-	 */
-    public String getJiaolianName() {
-        return jiaolianName;
-    }
-
-
-    /**
-	 * 获取：教练名称
-	 */
-
-    public void setJiaolianName(String jiaolianName) {
-        this.jiaolianName = jiaolianName;
-    }
-    /**
-	 * 设置：教练手机号
-	 */
-    public String getJiaolianPhone() {
-        return jiaolianPhone;
-    }
-
-
-    /**
-	 * 获取：教练手机号
-	 */
-
-    public void setJiaolianPhone(String jiaolianPhone) {
-        this.jiaolianPhone = jiaolianPhone;
-    }
-    /**
-	 * 设置：教练头像
-	 */
-    public String getJiaolianPhoto() {
-        return jiaolianPhoto;
-    }
-
-
-    /**
-	 * 获取：教练头像
-	 */
-
-    public void setJiaolianPhoto(String jiaolianPhoto) {
-        this.jiaolianPhoto = jiaolianPhoto;
-    }
-    /**
-	 * 设置：性别
-	 */
-    public Integer getSexTypes() {
-        return sexTypes;
-    }
-
-
-    /**
-	 * 获取：性别
-	 */
-
-    public void setSexTypes(Integer sexTypes) {
-        this.sexTypes = sexTypes;
-    }
-    /**
-	 * 设置：教练邮箱
-	 */
-    public String getJiaolianEmail() {
-        return jiaolianEmail;
-    }
-
-
-    /**
-	 * 获取：教练邮箱
-	 */
-
-    public void setJiaolianEmail(String jiaolianEmail) {
-        this.jiaolianEmail = jiaolianEmail;
-    }
-    /**
-	 * 设置：教练简介
-	 */
-    public String getJiaolianContent() {
-        return jiaolianContent;
-    }
-
-
-    /**
-	 * 获取：教练简介
-	 */
-
-    public void setJiaolianContent(String jiaolianContent) {
-        this.jiaolianContent = jiaolianContent;
-    }
-    /**
-	 * 设置：逻辑删除
-	 */
-    public Integer getDataDelete() {
-        return dataDelete;
-    }
-
-
-    /**
-	 * 获取：逻辑删除
-	 */
-
-    public void setDataDelete(Integer dataDelete) {
-        this.dataDelete = dataDelete;
-    }
-    /**
-	 * 设置：添加时间
-	 */
-    public Date getInsertTime() {
-        return insertTime;
-    }
-
-
-    /**
-	 * 获取：添加时间
-	 */
-
-    public void setInsertTime(Date insertTime) {
-        this.insertTime = insertTime;
-    }
-    /**
-	 * 设置：创建时间  show1 show2 photoShow
-	 */
-    public Date getCreateTime() {
-        return createTime;
-    }
-
-
-    /**
-	 * 获取：创建时间  show1 show2 photoShow
-	 */
-
-    public void setCreateTime(Date createTime) {
-        this.createTime = createTime;
-    }
-
-}
+// 包声明
+package com.entity.vo;
+
+// 导入原教练实体类
+import com.entity.JiaolianEntity;
+
+// 导入MyBatis Plus表字段注解
+import com.baomidou.mybatisplus.annotations.TableField;
+import com.baomidou.mybatisplus.annotations.TableName;
+
+// 导入Jackson日期格式化注解
+import com.fasterxml.jackson.annotation.JsonFormat;
+
+// 导入Java核心库
+import java.io.Serializable;
+import java.util.Date;
+
+// 导入Spring日期格式化注解
+import org.springframework.format.annotation.DateTimeFormat;
+
+// 教练手机端接口返回实体辅助类（精简字段）
+@TableName("jiaolian")
+public class JiaolianVO implements Serializable {
+    // 序列化版本UID
+    private static final long serialVersionUID = 1L;
+
+    // 主键字段（自增）
+    @TableField(value = "id")
+    private Integer id;
+
+    // 登录账户（唯一标识）
+    @TableField(value = "username")
+    private String username;
+
+    // 登录密码（加密存储）
+    @TableField(value = "password")
+    private String password;
+
+    // 教练真实姓名
+    @TableField(value = "jiaolian_name")
+    private String jiaolianName;
+
+    // 教练联系电话
+    @TableField(value = "jiaolian_phone")
+    private String jiaolianPhone;
+
+    // 教练头像存储路径
+    @TableField(value = "jiaolian_photo")
+    private String jiaolianPhoto;
+
+    // 性别类型（0=未知,1=男,2=女）
+    @TableField(value = "sex_types")
+    private Integer sexTypes;
+
+    // 教练联系邮箱
+    @TableField(value = "jiaolian_email")
+    private String jiaolianEmail;
+
+    // 教练详细介绍（支持富文本）
+    @TableField(value = "jiaolian_content")
+    private String jiaolianContent;
+
+    // 逻辑删除标记（0=正常,1=删除）
+    @TableField(value = "data_delete")
+    private Integer dataDelete;
+
+    // 数据入库时间（带中文时区格式化）
+    @JsonFormat(locale = "zh", timezone = "GMT+8", pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat
+    @TableField(value = "insert_time")
+    private Date insertTime;
+
+    // 记录创建时间（支持多种展示模式）
+    @JsonFormat(locale = "zh", timezone = "GMT+8", pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat
+    @TableField(value = "create_time")
+    private Date createTime;
+
+    // 获取主键ID
+    public Integer getId() {
+        return id;
+    }
+
+    // 设置主键ID
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    // 获取登录账户
+    public String getUsername() {
+        return username;
+    }
+
+    // 设置登录账户
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    // 获取登录密码
+    public String getPassword() {
+        return password;
+    }
+
+    // 设置登录密码
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    // 获取教练姓名
+    public String getJiaolianName() {
+        return jiaolianName;
+    }
+
+    // 设置教练姓名
+    public void setJiaolianName(String jiaolianName) {
+        this.jiaolianName = jiaolianName;
+    }
+
+    // 获取联系电话
+    public String getJiaolianPhone() {
+        return jiaolianPhone;
+    }
+
+    // 设置联系电话
+    public void setJiaolianPhone(String jiaolianPhone) {
+        this.jiaolianPhone = jiaolianPhone;
+    }
+
+    // 获取头像路径
+    public String getJiaolianPhoto() {
+        return jiaolianPhoto;
+    }
+
+    // 设置头像路径
+    public void setJiaolianPhoto(String jiaolianPhoto) {
+        this.jiaolianPhoto = jiaolianPhoto;
+    }
+
+    // 获取性别类型
+    public Integer getSexTypes() {
+        return sexTypes;
+    }
+
+    // 设置性别类型
+    public void setSexTypes(Integer sexTypes) {
+        this.sexTypes = sexTypes;
+    }
+
+    // 获取联系邮箱
+    public String getJiaolianEmail() {
+        return jiaolianEmail;
+    }
+
+    // 设置联系邮箱
+    public void setJiaolianEmail(String jiaolianEmail) {
+        this.jiaolianEmail = jiaolianEmail;
+    }
+
+    // 获取详细介绍
+    public String getJiaolianContent() {
+        return jiaolianContent;
+    }
+
+    // 设置详细介绍
+    public void setJiaolianContent(String jiaolianContent) {
+        this.jiaolianContent = jiaolianContent;
+    }
+
+    // 获取逻辑删除状态
+    public Integer getDataDelete() {
+        return dataDelete;
+    }
+
+    // 设置逻辑删除状态
+    public void setDataDelete(Integer dataDelete) {
+        this.dataDelete = dataDelete;
+    }
+
+    // 获取数据入库时间
+    public Date getInsertTime() {
+        return insertTime;
+    }
+
+    // 设置数据入库时间
+    public void setInsertTime(Date insertTime) {
+        this.insertTime = insertTime;
+    }
+
+    // 获取记录创建时间（支持列表/详情/头像展示模式）
+    public Date getCreateTime() {
+        return createTime;
+    }
+
+    // 设置记录创建时间
+    public void setCreateTime(Date createTime) {
+        this.createTime = createTime;
+    }
+}
\ No newline at end of file