diff --git a/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdColumnField.java b/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdColumnField.java
index 09f259b76dcebc2fd1bbbeee813f2d77fb341adf..ea9f3e16c0a988139ded4faff61a44640132aa4e 100644
--- a/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdColumnField.java
+++ b/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdColumnField.java
@@ -20,6 +20,8 @@ public class BizIdColumnField {
 
     private final String columnName;
 
+    private final Class<?> fieldType;
+
     private final MethodHandle bizIdFieldGetterMethodHandle;
 
     private final MethodHandle bizIdFieldSetterMethodHandle;
@@ -27,8 +29,8 @@ public class BizIdColumnField {
     public BizIdColumnField(Class<?> entityClass, Field bizIdField) {
         this.annotation = bizIdField.getAnnotation(BizId.class);
         this.columnName = BizIdHelper.getColumnName(entityClass, bizIdField, this.annotation);
+        this.fieldType = bizIdField.getType();
         try {
-            Class<?> fieldType = bizIdField.getType();
             Lookup lookup = privateLookupIn(entityClass, lookup());
             this.bizIdFieldGetterMethodHandle = lookup.findGetter(entityClass, bizIdField.getName(), fieldType);
             this.bizIdFieldSetterMethodHandle = lookup.findSetter(entityClass, bizIdField.getName(), fieldType);
@@ -54,4 +56,8 @@ public class BizIdColumnField {
         }
     }
 
-}
+    public Class<?> getFieldType() {
+        return fieldType;
+    }
+
+}
\ No newline at end of file
diff --git a/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdInjectInterceptor.java b/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdInjectInterceptor.java
index 09f64b56d1a6f20ce3d1d20d5401e99b256e0705..5ed98934ee1deefd00854b85008c6764aab71c0d 100644
--- a/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdInjectInterceptor.java
+++ b/starters/mybatis-spring-boot-starter/src/main/java/com/schbrain/framework/autoconfigure/mybatis/biz/BizIdInjectInterceptor.java
@@ -1,6 +1,8 @@
 package com.schbrain.framework.autoconfigure.mybatis.biz;
 
+import cn.hutool.core.convert.Convert;
 import com.baomidou.mybatisplus.extension.plugins.inner.InnerInterceptor;
+import com.schbrain.common.exception.BaseException;
 import org.apache.ibatis.executor.Executor;
 import org.apache.ibatis.mapping.MappedStatement;
 import org.apache.ibatis.mapping.SqlCommandType;
@@ -32,9 +34,15 @@ public class BizIdInjectInterceptor implements InnerInterceptor {
         if (bizIdType == BizIdType.ID_WORKER) {
             Object bizIdValue = bizColumnField.getValue(entity);
             if (bizIdValue == null) {
-                bizColumnField.setValue(entity, bizIdType.generateBizId(entity));
+                Object generatedBizId = bizIdType.generateBizId(entity);
+                Class<?> bizIdFieldType = bizColumnField.getFieldType();
+                Object convertedBizId = Convert.convertQuietly(bizIdFieldType, generatedBizId, null);
+                if (convertedBizId == null) {
+                    throw new BaseException(String.format("Cannot convert generated bizId value %s; From %s to %s", generatedBizId, generatedBizId.getClass(), bizIdFieldType));
+                }
+                bizColumnField.setValue(entity, convertedBizId);
             }
         }
     }
 
-}
+}
\ No newline at end of file