diff --git a/src/main/java/com/imyeyu/java/TimiJava.java b/src/main/java/com/imyeyu/java/TimiJava.java
index 5c458d7..826fb1e 100644
--- a/src/main/java/com/imyeyu/java/TimiJava.java
+++ b/src/main/java/com/imyeyu/java/TimiJava.java
@@ -5,7 +5,6 @@ import java.io.StringWriter;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Map;
-import java.util.Objects;
 
 /**
  * 通用工具
@@ -114,7 +113,7 @@ public interface TimiJava {
 	 * @param <T> 对象类型
 	 */
 	static <T> T defaultIfNull(T obj, T defaultObj) {
-		return Objects.requireNonNullElse(obj, defaultObj);
+		return obj != null ? obj : defaultObj;
 	}
 
 	/**