diff --git a/app/index/controller/ProgramController.php b/app/index/controller/ProgramController.php
index 3d6abc2..50fed17 100644
--- a/app/index/controller/ProgramController.php
+++ b/app/index/controller/ProgramController.php
@@ -90,6 +90,18 @@ class ProgramController extends BaseController
             }
         }
 
+        // 如果size存在，确保转换为合适的单位
+        if (!empty($program['size']) && is_numeric($program['size'])) {
+            $size = $program['size'];
+            if ($size >= 1073741824) {
+                $program['size'] = round($size / 1073741824, 2) . 'GB';
+            } elseif ($size >= 1048576) {
+                $program['size'] = round($size / 1048576, 2) . 'MB';
+            } else {
+                $program['size'] = round($size / 1024, 2) . 'KB';
+            }
+        }
+
         // 获取分类名称
         $cateName = ResourcesCategory::where('id', $program['cate'])
             ->value('name');