diff --git a/mybatis-plus-join-boot-starter/src/main/resources/META-INF/additional-spring-configuration-metadata.json b/mybatis-plus-join-boot-starter/src/main/resources/META-INF/additional-spring-configuration-metadata.json
index 33b9bab..0c08597 100644
--- a/mybatis-plus-join-boot-starter/src/main/resources/META-INF/additional-spring-configuration-metadata.json
+++ b/mybatis-plus-join-boot-starter/src/main/resources/META-INF/additional-spring-configuration-metadata.json
@@ -33,7 +33,7 @@
     },
     {
       "name": "mybatis-plus-join.join-prefix",
-      "defaultValue": "t",
+      "defaultValue": "join",
       "type": "java.lang.String",
       "description": "重复字段前缀."
     }
diff --git a/mybatis-plus-join-test/test-join/src/test/java/com/github/yulichang/test/join/LambdaWrapperTest.java b/mybatis-plus-join-test/test-join/src/test/java/com/github/yulichang/test/join/LambdaWrapperTest.java
index c0b0bb7..333a448 100644
--- a/mybatis-plus-join-test/test-join/src/test/java/com/github/yulichang/test/join/LambdaWrapperTest.java
+++ b/mybatis-plus-join-test/test-join/src/test/java/com/github/yulichang/test/join/LambdaWrapperTest.java
@@ -481,8 +481,8 @@ class LambdaWrapperTest {
                 .leftJoin(AddressDO.class, AddressDO::getId, UserDO::getAddressId2);
         List<UserDO> list = userMapper.selectJoinList(UserDO.class, wrapper);
 
-        assert list.get(0).getAddressList().get(0).getAddress()!= null;
-        assert list.get(0).getAddressList2().get(0).getAddress()!= null;
+        assert list.get(0).getAddressList().get(0).getAddress() != null;
+        assert list.get(0).getAddressList2().get(0).getAddress() != null;
         System.out.println(list);
     }