diff --git a/application/adminapi/controller/UploadFile.php b/application/adminapi/controller/UploadFile.php
index 39e4aa8..0a18425 100644
--- a/application/adminapi/controller/UploadFile.php
+++ b/application/adminapi/controller/UploadFile.php
@@ -38,16 +38,13 @@ class UploadFile extends Upload
             // 提取文件扩展名
             $extension = pathinfo($originalName, PATHINFO_EXTENSION);
 
-            // 处理文件名（中文转拼音）
-            $fileName = $originalName;
+            // 处理文件名（中文转拼音） 移除扩展名（如果有的话）
+            $fileName = pathinfo($originalName, PATHINFO_FILENAME);
             if (preg_match('/[\x{4e00}-\x{9fa5}]+/u', $fileName)) {
                 $pinyin = new Pinyin();
                 $fileName = $pinyin->permalink($fileName, ''); // 转换为无分隔符的拼音
             }
 
-            // 移除扩展名（如果有的话）
-            $fileName = pathinfo($fileName, PATHINFO_FILENAME);
-
             // 添加唯一标识符（时间戳+随机数）
             $uniqueId = time() . mt_rand(1000, 9999);
             $objectName = $fileName . '_' . $uniqueId . '.' . $extension;