diff --git a/laws-modules/src/main/java/com/jero/modules/laws/common/util/ImportUtil.java b/laws-modules/src/main/java/com/jero/modules/laws/common/util/ImportUtil.java
index 4b1947c0..385502de 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/common/util/ImportUtil.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/common/util/ImportUtil.java
@@ -85,10 +85,9 @@ public class ImportUtil {
 
     public List<String> validExcelData(Sheet sheet, List<LawsTag> headerList, Map<String, File> fileMap, List<Map<String, Object>> insertDataList) {
         List<String> errMsgList = new ArrayList<>();
-
+        Map<String, Integer> keyMap = new HashMap<>();
         // 从数据行开始遍历
         for (int i = 3; i < sheet.getPhysicalNumberOfRows(); i++) {
-            Map<String, Integer> keyMap = new HashMap<>();
             int line = i + 1;
             String standardNumber = "";
             String standardClass = "";
@@ -168,6 +167,13 @@ public class ImportUtil {
                                         break;
                                     }
                                     standardClass = this.convertDictValue("standard_type" , standardClass);
+                                    // 判断是否有重复数据
+                                    if (keyMap.containsKey(domesticStandardNumber)) {
+                                        errMsgList.add("第" + keyMap.get(domesticStandardNumber) + "行'标准编号'与第" + line + "行数据重复。");
+                                    } else {
+                                        // 5. 如果不存在，则将 GradeName 和其行号添加到 HashMap 中
+                                        keyMap.put(domesticStandardNumber, line);
+                                    }
                                 }
                             }
                             if ((TableNameEnum.FOREIGN_REGULATIONS.getValue().equals(tag.getIsModel()))) {
@@ -188,6 +194,12 @@ public class ImportUtil {
                                         break;
                                     }
                                     standardClass = this.convertDictValue("standard_type_overseas" , standardClass);
+                                    // 判断是否有重复数据
+                                    if (keyMap.containsKey(foreignStandardNumber)) {
+                                        errMsgList.add("第" + keyMap.get(foreignStandardNumber) + "行'标准编号'与第" + line + "行数据重复。");
+                                    } else {
+                                        keyMap.put(foreignStandardNumber, line);
+                                    }
                                 }
                             }
                             // 将转好的值加入Map