diff --git a/common/src/main/java/org/jiayunet/config/LongListTypeHandler.java b/common/src/main/java/org/jiayunet/config/LongListTypeHandler.java
new file mode 100644
index 0000000..c2f9467
--- /dev/null
+++ b/common/src/main/java/org/jiayunet/config/LongListTypeHandler.java
@@ -0,0 +1,63 @@
+package org.jiayunet.config;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.ibatis.type.BaseTypeHandler;
+import org.apache.ibatis.type.JdbcType;
+import org.apache.ibatis.type.MappedJdbcTypes;
+import org.apache.ibatis.type.MappedTypes;
+
+import java.sql.CallableStatement;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+
+/**
+ * List<Long> 类型的 JSON TypeHandler
+ * <p>解决 JacksonTypeHandler 反序列化 JSON 数组时将小数字解析为 Integer 的问题</p>
+ *
+ * @author zk
+ */
+@MappedTypes(List.class)
+@MappedJdbcTypes(JdbcType.VARCHAR)
+public class LongListTypeHandler extends BaseTypeHandler<List<Long>> {
+
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+    private static final TypeReference<List<Long>> TYPE_REF = new TypeReference<>() {};
+
+    @Override
+    public void setNonNullParameter(PreparedStatement ps, int i, List<Long> parameter, JdbcType jdbcType) throws SQLException {
+        try {
+            ps.setString(i, MAPPER.writeValueAsString(parameter));
+        } catch (Exception e) {
+            throw new SQLException("序列化 List<Long> 失败", e);
+        }
+    }
+
+    @Override
+    public List<Long> getNullableResult(ResultSet rs, String columnName) throws SQLException {
+        return parse(rs.getString(columnName));
+    }
+
+    @Override
+    public List<Long> getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
+        return parse(rs.getString(columnIndex));
+    }
+
+    @Override
+    public List<Long> getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
+        return parse(cs.getString(columnIndex));
+    }
+
+    private List<Long> parse(String json) throws SQLException {
+        if (json == null || json.isBlank()) {
+            return null;
+        }
+        try {
+            return MAPPER.readValue(json, TYPE_REF);
+        } catch (Exception e) {
+            throw new SQLException("反序列化 List<Long> 失败: " + json, e);
+        }
+    }
+}
diff --git a/manager/src/main/java/org/jiayunet/pojo/po/Job.java b/manager/src/main/java/org/jiayunet/pojo/po/Job.java
index d8537d4..0a83ef4 100644
--- a/manager/src/main/java/org/jiayunet/pojo/po/Job.java
+++ b/manager/src/main/java/org/jiayunet/pojo/po/Job.java
@@ -6,6 +6,7 @@ import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler;
 import lombok.Data;
+import org.jiayunet.config.LongListTypeHandler;
 
 import java.time.Instant;
 import java.util.List;
@@ -64,7 +65,7 @@ public class Job {
     private Long requiredIndustryId;
 
     /** 要求专业ID数组，关联bg_major_category */
-    @TableField(typeHandler = JacksonTypeHandler.class)
+    @TableField(typeHandler = LongListTypeHandler.class)
     private List<Long> requiredMajorIds;
 
     /** 专业敏感度 0=不限 1=优先 2=强制 */
diff --git a/manager/src/main/java/org/jiayunet/pojo/po/UserJobIntention.java b/manager/src/main/java/org/jiayunet/pojo/po/UserJobIntention.java
index 058a161..5efac7e 100644
--- a/manager/src/main/java/org/jiayunet/pojo/po/UserJobIntention.java
+++ b/manager/src/main/java/org/jiayunet/pojo/po/UserJobIntention.java
@@ -6,6 +6,7 @@ import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler;
 import lombok.Data;
+import org.jiayunet.config.LongListTypeHandler;
 
 import java.time.Instant;
 import java.util.List;
@@ -26,7 +27,7 @@ public class UserJobIntention {
     private Long userId;
 
     /** 意向岗位类型ID列表，节点可能为任意级别 */
-    @TableField(typeHandler = JacksonTypeHandler.class)
+    @TableField(typeHandler = LongListTypeHandler.class)
     private List<Long> categoryIds;
 
     /** 意向城市编码列表，节点可能为任意级别 */
@@ -34,7 +35,7 @@ public class UserJobIntention {
     private List<String> regionCodes;
 
     /** 意向行业ID列表，节点可能为任意级别 */
-    @TableField(typeHandler = JacksonTypeHandler.class)
+    @TableField(typeHandler = LongListTypeHandler.class)
     private List<Long> industryIds;
 
     /** 工作类型 0=全职 1=实习 */
diff --git a/manager/src/main/java/org/jiayunet/pojo/po/UserProfile.java b/manager/src/main/java/org/jiayunet/pojo/po/UserProfile.java
index 271049a..f4ce6d4 100644
--- a/manager/src/main/java/org/jiayunet/pojo/po/UserProfile.java
+++ b/manager/src/main/java/org/jiayunet/pojo/po/UserProfile.java
@@ -7,6 +7,7 @@ import com.baomidou.mybatisplus.annotation.TableName;
 import com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler;
 import lombok.Data;
 
+import org.jiayunet.config.LongListTypeHandler;
 import org.jiayunet.pojo.vo.UserHonorsVo;
 
 import java.time.Instant;
@@ -49,7 +50,7 @@ public class UserProfile {
     private String portfolioUrl;
 
     /** 用户专业ID数组，关联bg_major_category（不展示，用于适配度计算） */
-    @TableField(typeHandler = JacksonTypeHandler.class)
+    @TableField(typeHandler = LongListTypeHandler.class)
     private List<Long> majorIds;
 
     /** 学校等级 1=C9/985/QS前50 2=211/双一流/QS前200 3=普通一本/QS前500 4=其他（不展示，用于适配度计算） */
diff --git a/manager/src/main/java/org/jiayunet/pojo/vo/JobListItemVo.java b/manager/src/main/java/org/jiayunet/pojo/vo/JobListItemVo.java
index 528071b..643c4df 100644
--- a/manager/src/main/java/org/jiayunet/pojo/vo/JobListItemVo.java
+++ b/manager/src/main/java/org/jiayunet/pojo/vo/JobListItemVo.java
@@ -3,6 +3,7 @@ package org.jiayunet.pojo.vo;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler;
 import lombok.Data;
+import org.jiayunet.config.LongListTypeHandler;
 
 import java.util.List;
 
@@ -64,7 +65,7 @@ public class JobListItemVo {
     private Integer minExperience;
 
     /** 要求专业ID数组（JSON） */
-    @TableField(typeHandler = JacksonTypeHandler.class)
+    @TableField(typeHandler = LongListTypeHandler.class)
     private List<Long> requiredMajorIds;
 
     /** 专业敏感度 0=不限 1=优先 2=强制 */
diff --git a/manager/src/main/java/org/jiayunet/service/JobMatchService.java b/manager/src/main/java/org/jiayunet/service/JobMatchService.java
index a9866c7..e9e9b37 100644
--- a/manager/src/main/java/org/jiayunet/service/JobMatchService.java
+++ b/manager/src/main/java/org/jiayunet/service/JobMatchService.java
@@ -165,12 +165,13 @@ public class JobMatchService {
 
                 int score = matchMajorPair(userMajor, jobMajor);
                 maxScore = Math.max(maxScore, score);
-                if (maxScore == 100) return 100; // 已满分，提前退出
+                if (maxScore == 100) return 100;
             }
         }
         return maxScore;
     }
 
+
     /**
      * 匹配一对专业的相关度
      * <p>完全匹配→100，同二级→70，同一级→30，不相关→0</p>
diff --git a/manager/src/main/resources/mapper/JobMapper.xml b/manager/src/main/resources/mapper/JobMapper.xml
index b3fecd6..85fb355 100644
--- a/manager/src/main/resources/mapper/JobMapper.xml
+++ b/manager/src/main/resources/mapper/JobMapper.xml
@@ -10,7 +10,7 @@
         <result column="source_url" property="sourceUrl"/>
         <result column="required_industry_id" property="requiredIndustryId"/>
         <result column="min_experience" property="minExperience"/>
-        <result column="required_major_ids" property="requiredMajorIds" typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler"/>
+        <result column="required_major_ids" property="requiredMajorIds" typeHandler="org.jiayunet.config.LongListTypeHandler"/>
         <result column="major_sensitivity" property="majorSensitivity"/>
         <result column="status" property="status"/>
         <result column="company_id" property="companyId"/>