diff --git a/src/main/java/com/imyeyu/spring/service/AbstractEntityService.java b/src/main/java/com/imyeyu/spring/service/AbstractEntityService.java
index 13eeb80..2af8d30 100644
--- a/src/main/java/com/imyeyu/spring/service/AbstractEntityService.java
+++ b/src/main/java/com/imyeyu/spring/service/AbstractEntityService.java
@@ -47,7 +47,7 @@ public abstract class AbstractEntityService<T, P> implements BaseService<T, P> {
 
 	public void update(T t) {
 		checkMapper();
-		baseMapper.update(t);
+		baseMapper.updateSelective(t);
 	}
 
 	public void delete(P p) {