diff --git a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileCompetitionParam.java b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileCompetitionParam.java
index 258a2a6..93a5459 100644
--- a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileCompetitionParam.java
+++ b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileCompetitionParam.java
@@ -3,7 +3,6 @@ package org.jiayunet.pojo.param.userProfile;
 import lombok.Data;
 import org.jiayunet.pojo.vo.DescriptionParagraph;
 
-import javax.validation.constraints.NotBlank;
 import java.util.List;
 
 /**
@@ -15,7 +14,6 @@ import java.util.List;
 public class UserProfileCompetitionParam {
 
     /** 竞赛名称 */
-    @NotBlank(message = "竞赛名称不能为空")
     private String competitionName;
 
     /** 获奖情况，如全国二等奖 */
diff --git a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileEducationParam.java b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileEducationParam.java
index aa2a906..f11a6ca 100644
--- a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileEducationParam.java
+++ b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileEducationParam.java
@@ -3,8 +3,6 @@ package org.jiayunet.pojo.param.userProfile;
 import lombok.Data;
 import org.jiayunet.pojo.vo.DescriptionParagraph;
 
-import javax.validation.constraints.NotBlank;
-import javax.validation.constraints.NotNull;
 import java.util.List;
 
 /**
@@ -16,14 +14,12 @@ import java.util.List;
 public class UserProfileEducationParam {
 
     /** 学校名称 */
-    @NotBlank(message = "学校名称不能为空")
     private String school;
 
     /** 专业 */
     private String major;
 
     /** 学历 1=大专 2=本科 3=硕士 4=博士 */
-    @NotNull(message = "学历不能为空")
     private Integer degree;
 
     /** 学习形式 0=全日制 1=非全日制 */
diff --git a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileInternshipParam.java b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileInternshipParam.java
index 05c0065..bc222e2 100644
--- a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileInternshipParam.java
+++ b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileInternshipParam.java
@@ -3,7 +3,6 @@ package org.jiayunet.pojo.param.userProfile;
 import lombok.Data;
 import org.jiayunet.pojo.vo.DescriptionParagraph;
 
-import javax.validation.constraints.NotBlank;
 import java.util.List;
 
 /**
@@ -15,15 +14,12 @@ import java.util.List;
 public class UserProfileInternshipParam {
 
     /** 公司名称 */
-    @NotBlank(message = "公司名称不能为空")
     private String companyName;
 
     /** 职位 */
-    @NotBlank(message = "职位不能为空")
     private String position;
 
     /** 开始时间，格式：2023.06 */
-    @NotBlank(message = "开始时间不能为空")
     private String startDate;
 
     /** 结束时间，格式：2023.09，至今则为空 */
diff --git a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileParam.java b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileParam.java
index c275db9..a8bc685 100644
--- a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileParam.java
+++ b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileParam.java
@@ -2,7 +2,6 @@ package org.jiayunet.pojo.param.userProfile;
 
 import lombok.Data;
 
-import javax.validation.constraints.NotBlank;
 import java.util.List;
 
 /**
@@ -26,7 +25,6 @@ public class UserProfileParam {
     private String idCard;
 
     /** 所在城市编码 */
-    @NotBlank(message = "所在城市不能为空")
     private String regionCode;
 
     /** 微信号 */
diff --git a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileProjectParam.java b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileProjectParam.java
index e55b479..ccca187 100644
--- a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileProjectParam.java
+++ b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileProjectParam.java
@@ -3,7 +3,6 @@ package org.jiayunet.pojo.param.userProfile;
 import lombok.Data;
 import org.jiayunet.pojo.vo.DescriptionParagraph;
 
-import javax.validation.constraints.NotBlank;
 import java.util.List;
 
 /**
@@ -18,14 +17,12 @@ public class UserProfileProjectParam {
     private String companyName;
 
     /** 项目名称 */
-    @NotBlank(message = "项目名称不能为空")
     private String projectName;
 
     /** 担任角色 */
     private String role;
 
     /** 开始时间，格式：2023.06 */
-    @NotBlank(message = "开始时间不能为空")
     private String startDate;
 
     /** 结束时间，格式：2023.09，至今则为空 */
diff --git a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileWorkParam.java b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileWorkParam.java
index 8518b28..416c9a1 100644
--- a/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileWorkParam.java
+++ b/client-api/src/main/java/org/jiayunet/pojo/param/userProfile/UserProfileWorkParam.java
@@ -3,7 +3,6 @@ package org.jiayunet.pojo.param.userProfile;
 import lombok.Data;
 import org.jiayunet.pojo.vo.DescriptionParagraph;
 
-import javax.validation.constraints.NotBlank;
 import java.util.List;
 
 /**
@@ -15,15 +14,12 @@ import java.util.List;
 public class UserProfileWorkParam {
 
     /** 公司名称 */
-    @NotBlank(message = "公司名称不能为空")
     private String companyName;
 
     /** 职位 */
-    @NotBlank(message = "职位不能为空")
     private String position;
 
     /** 开始时间，格式：2023.06 */
-    @NotBlank(message = "开始时间不能为空")
     private String startDate;
 
     /** 结束时间，格式：2023.09，至今则为空 */
diff --git a/client-api/src/main/java/org/jiayunet/service/UserProfileService.java b/client-api/src/main/java/org/jiayunet/service/UserProfileService.java
index 768df84..0b21a4e 100644
--- a/client-api/src/main/java/org/jiayunet/service/UserProfileService.java
+++ b/client-api/src/main/java/org/jiayunet/service/UserProfileService.java
@@ -89,9 +89,14 @@ public class UserProfileService {
                 new LambdaQueryWrapper<UserProfile>().eq(UserProfile::getUserId, userId));
     }
 
+    /** JSON字段的TypeHandler，UpdateWrapper显式set时需指定，否则JSON字段不会正确序列化 */
+    private static final String JSON_TYPE_HANDLER = "typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler";
+
     /**
      * 保存个人资料主表（upsert）
      * <p>1. 按userId查询是否存在 2. 存在则更新，不存在则插入</p>
+     * <p>更新时用LambdaUpdateWrapper显式set用户可编辑字段（允许清空为null，绕过全局update-strategy=not_null），
+     * AI派生字段（schoolRank/companyPrestige/majorIds/honors等）不在更新范围内，保留原值</p>
      */
     @Transactional(rollbackFor = Exception.class)
     public void saveProfile(UserProfile profile) {
@@ -100,11 +105,18 @@ public class UserProfileService {
                 new LambdaQueryWrapper<UserProfile>().eq(UserProfile::getUserId, userId));
         Instant now = Instant.now();
         if (existing != null) {
-            profile.setId(existing.getId());
-            profile.setUserId(userId);
-            profile.setCreateTime(existing.getCreateTime());
-            profile.setUpdateTime(now);
-            userProfileMapper.updateById(profile);
+            userProfileMapper.update(null, new com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper<UserProfile>()
+                    .eq(UserProfile::getId, existing.getId())
+                    .set(UserProfile::getName, profile.getName())
+                    .set(UserProfile::getEmail, profile.getEmail())
+                    .set(UserProfile::getMobileNumber, profile.getMobileNumber())
+                    .set(UserProfile::getIdCard, profile.getIdCard())
+                    .set(UserProfile::getRegionCode, profile.getRegionCode())
+                    .set(UserProfile::getWechatNumber, profile.getWechatNumber())
+                    .set(UserProfile::getPortfolioUrl, profile.getPortfolioUrl())
+                    .set(UserProfile::getSkills, profile.getSkills(), JSON_TYPE_HANDLER)
+                    .set(UserProfile::getCertificates, profile.getCertificates(), JSON_TYPE_HANDLER)
+                    .set(UserProfile::getUpdateTime, now));
         } else {
             profile.setUserId(userId);
             profile.setCreateTime(now);