From 847aac89fa2d40247a0272d99510167780e153c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=80=E6=BA=90=E6=B5=B7=E5=93=A5?= <fuhai999@gmail.com>
Date: Tue, 22 Aug 2023 10:40:00 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=9C=A8=E6=9F=90=E4=BA=9B=E5=9C=BA?=
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---
 .../main/java/com/mybatisflex/core/util/LambdaUtil.java   | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/LambdaUtil.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/LambdaUtil.java
index c935ccb8..765442b6 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/LambdaUtil.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/LambdaUtil.java
@@ -42,6 +42,7 @@ public class LambdaUtil {
         return PropertyNamer.methodToProperty(methodName);
     }
 
+
     public static <T> Class<?> getImplClass(LambdaGetter<T> getter) {
         SerializedLambda lambda = getSerializedLambda(getter);
         return getImplClass(lambda, getter.getClass().getClassLoader());
@@ -50,8 +51,11 @@ public class LambdaUtil {
 
     public static <T> String getAliasName(LambdaGetter<T> getter, boolean withPrefix) {
         QueryColumn queryColumn = getQueryColumn(getter);
-        String alias = StringUtil.isNotBlank(queryColumn.getAlias()) ? queryColumn.getAlias() : queryColumn.getName();
-        return withPrefix ? queryColumn.getTable().getName() + "$" + alias : alias;
+        if (queryColumn != null) {
+            String alias = StringUtil.isNotBlank(queryColumn.getAlias()) ? queryColumn.getAlias() : queryColumn.getName();
+            return withPrefix ? queryColumn.getTable().getName() + "$" + alias : alias;
+        }
+        return getFieldName(getter);
     }