diff --git a/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/MybatisFlexAutoConfiguration.java b/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/MybatisFlexAutoConfiguration.java
index 84b24219..48e31bc3 100644
--- a/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/MybatisFlexAutoConfiguration.java
+++ b/mybatis-flex-spring-boot-starter/src/main/java/com/mybatisflex/spring/boot/MybatisFlexAutoConfiguration.java
@@ -133,7 +133,9 @@ public class MybatisFlexAutoConfiguration implements InitializingBean {
         // 检测 MyBatis 原生配置文件是否存在
         checkConfigFileExists();
         // 添加 MyBatis-Flex 全局配置
-        this.properties.getGlobalConfig().applyTo(FlexGlobalConfig.getDefaultConfig());
+        if (properties.getGlobalConfig() != null) {
+            properties.getGlobalConfig().applyTo(FlexGlobalConfig.getDefaultConfig());
+        }
     }
 
     private void checkConfigFileExists() {