fix 查询单价保留两位小数

Src/Dlhis.Common/Services/Implements/ApkFIileService.cs

@@ -136,9 +136,10 @@ public class ApkFIileService : IApkFIileService
                 return "No file uploaded";
             }
         }
-        catch (Exception ex)
+        catch (Exception)
         {
-            return $"Error uploading file: {ex.Message}";
+            return null;
+            throw;            
         }
     }