diff --git a/virtual-patient-model/src/main/java/com/supervision/model/DiseaseTreatmentPlan.java b/virtual-patient-model/src/main/java/com/supervision/model/DiseaseTreatmentPlan.java
index b4a04265..5bde483d 100644
--- a/virtual-patient-model/src/main/java/com/supervision/model/DiseaseTreatmentPlan.java
+++ b/virtual-patient-model/src/main/java/com/supervision/model/DiseaseTreatmentPlan.java
@@ -40,7 +40,7 @@ public class DiseaseTreatmentPlan implements Serializable {
     private String treatmentPlanId;
 
     @Schema(description = "关系类型 0:关联疾病 1:关联病历")
-    private String relationType;
+    private Integer relationType;
 
     /**
      * 创建人ID
diff --git a/virtual-patient-model/src/main/resources/mapper/DiseaseTreatmentPlanMapper.xml b/virtual-patient-model/src/main/resources/mapper/DiseaseTreatmentPlanMapper.xml
index 990dd464..15d7b8e8 100644
--- a/virtual-patient-model/src/main/resources/mapper/DiseaseTreatmentPlanMapper.xml
+++ b/virtual-patient-model/src/main/resources/mapper/DiseaseTreatmentPlanMapper.xml
@@ -8,7 +8,7 @@
         <id property="id" column="id" jdbcType="VARCHAR"/>
         <result property="diseaseId" column="disease_id" jdbcType="VARCHAR"/>
         <result property="treatmentPlanId" column="treatment_plan_id" jdbcType="VARCHAR"/>
-        <result property="relationType" column="relation_type" jdbcType="VARCHAR"/>
+        <result property="relationType" column="relation_type" jdbcType="INTEGER"/>
         <result property="createUserId" column="create_user_id" jdbcType="VARCHAR"/>
         <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
         <result property="updateUserId" column="update_user_id" jdbcType="VARCHAR"/>