copy

src/main/java/com/aps/common/util/DeepCopyUtil.java

@@ -2,6 +2,8 @@ package com.aps.common.util;
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
@@ -31,7 +33,10 @@ public class DeepCopyUtil {
      * 列表深拷贝（很常用）
      */
     public static <T> List<T> deepCopyList(List<T> source) {
-        if (source == null) return List.of();
+        if (source == null) {
+            return new ArrayList<>();  // 替换 List.of()
+
+        }
         
         try {
             String json = objectMapper.writeValueAsString(source);