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 9d0abe9d..c006882b 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
@@ -399,7 +399,7 @@ public class ImportUtil {
         return true;
     }
 
-
+    // 文件校验
     private boolean fileValid(String cellValue, Map<String, File> fileMap) {
         String[] pathList = cellValue.split("，");
         for (String path : pathList) {
@@ -408,10 +408,12 @@ public class ImportUtil {
             if (file == null) {
                 return false;
             }
-            if (!(path.endsWith(".pdf")
-                    || path.endsWith(".doc") || path.endsWith(".docx")
-                    || path.endsWith(".xls") || path.endsWith(".xlsx")
-                    || path.endsWith(".png") || path.endsWith(".jpg"))) {
+            // 转换为小写以进行大小写不敏感的比较
+            String lowerCasePath = path.toLowerCase();
+            if (!(lowerCasePath.endsWith(".pdf")
+                    || lowerCasePath.endsWith(".doc") || lowerCasePath.endsWith(".docx")
+                    || lowerCasePath.endsWith(".xls") || lowerCasePath.endsWith(".xlsx")
+                    || lowerCasePath.endsWith(".png") || lowerCasePath.endsWith(".jpg"))) {
                 return false;
             }
         }