diff --git a/mybatis-plus-join-core/src/main/java/com/github/yulichang/toolkit/WrapperUtils.java b/mybatis-plus-join-core/src/main/java/com/github/yulichang/toolkit/WrapperUtils.java
index e52896e..7603cc6 100644
--- a/mybatis-plus-join-core/src/main/java/com/github/yulichang/toolkit/WrapperUtils.java
+++ b/mybatis-plus-join-core/src/main/java/com/github/yulichang/toolkit/WrapperUtils.java
@@ -124,6 +124,9 @@ public class WrapperUtils {
     }
 
     private static String mainLogic(boolean hasWhere, Class<?> clazz, MPJLambdaWrapper<?> wrapper) {
+        if (!wrapper.getLogicSql()) {
+            return StringPool.EMPTY;
+        }
         String info = LogicInfoUtils.getLogicInfo(null, clazz, true, wrapper.getAlias());
         if (StringUtils.isNotBlank(info)) {
             if (hasWhere) {
diff --git a/mybatis-plus-join-core/src/main/java/com/github/yulichang/wrapper/MPJAbstractLambdaWrapper.java b/mybatis-plus-join-core/src/main/java/com/github/yulichang/wrapper/MPJAbstractLambdaWrapper.java
index 38b5a75..47b7bf8 100644
--- a/mybatis-plus-join-core/src/main/java/com/github/yulichang/wrapper/MPJAbstractLambdaWrapper.java
+++ b/mybatis-plus-join-core/src/main/java/com/github/yulichang/wrapper/MPJAbstractLambdaWrapper.java
@@ -4,6 +4,7 @@ import com.baomidou.mybatisplus.annotation.OrderBy;
 import com.baomidou.mybatisplus.core.conditions.SharedString;
 import com.baomidou.mybatisplus.core.conditions.segments.MergeSegments;
 import com.baomidou.mybatisplus.core.metadata.TableInfo;
+import com.baomidou.mybatisplus.core.toolkit.Assert;
 import com.baomidou.mybatisplus.core.toolkit.Constants;
 import com.baomidou.mybatisplus.core.toolkit.StringPool;
 import com.baomidou.mybatisplus.core.toolkit.StringUtils;
@@ -23,7 +24,6 @@ import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Objects;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.BiConsumer;
 import java.util.function.Function;
@@ -340,6 +340,7 @@ public abstract class MPJAbstractLambdaWrapper<T, Children extends MPJAbstractLa
                 if (StringUtils.isBlank(wrapper.from.getStringValue())) {
                     if (this.subLogicSql && this.logicDelType == LogicDelTypeEnum.ON) {
                         TableInfo tableInfo = TableHelper.get(wrapper.getJoinClass());
+                        Assert.notNull(tableInfo, "not find tableInfo by class %s", wrapper.getJoinClass().getName());
                         if (ConfigProperties.tableInfoAdapter.mpjHasLogic(tableInfo)) {
                             wrapper.appendSqlSegments(APPLY, () -> LogicInfoUtils.getLogicInfoNoAnd(
                                     wrapper.getIndex(), wrapper.getJoinClass(), wrapper.isHasAlias(), wrapper.getAlias()
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 1d72f7e..0f78344 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
@@ -1088,20 +1088,19 @@ class LambdaWrapperTest {
      */
     @Test
     void union() {
-        ThreadLocalUtils.set();
+        ThreadLocalUtils.set("SELECT t.id,t.pid,t.`name`,t.`json`,t.sex,t.head_img,t.create_time,t.address_id,t.address_id2,t.del,t.create_by,t.update_by FROM `user` t WHERE t.del=false AND (t.id = ?) UNION SELECT t.id,t.pid,t.`name`,t.`json`,t.sex,t.head_img,t.create_time,t.address_id,t.address_id2,t.del,t.create_by,t.update_by FROM `user` t WHERE (t.`name` = ? AND (t.`name` = ?)) UNION SELECT t.id,t.pid,t.`name`,t.`json`,t.sex,t.head_img,t.create_time,t.address_id,t.address_id2,t.del,t.create_by,t.update_by FROM `user` t WHERE t.del=false AND (t.pid = ?)");
         MPJLambdaWrapper<UserDO> wrapper = JoinWrappers.lambda(UserDO.class)
                 .selectAll(UserDO.class)
                 .eq(UserDO::getId, 1);
         MPJLambdaWrapper<UserDO> wrapper1 = JoinWrappers.lambda(UserDO.class)
                 .selectAll(UserDO.class)
+                .disableLogicDel()
                 .eq(UserDO::getName, "张三 2")
                 .and(w -> w.eq(UserDO::getName, "张三 2"));
         MPJLambdaWrapper<UserDO> wrapper2 = JoinWrappers.lambda(UserDO.class)
                 .selectAll(UserDO.class)
                 .eq(UserDO::getPid, 2);
         wrapper.union(wrapper1, wrapper2);
-
-        System.out.println(wrapper.getUnionSql());
         List<UserDO> list = wrapper.list();
 
         assert list.size() == 7;