diff --git a/.gitignore b/.gitignore
index da00f985..27a13f3e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,3 +50,4 @@
 
 /SGGL/FineUIPro.Web/FileUpload/Transfer/PunchlistFrom/2024-11
 /SGGL/FineUIPro.Web/FileUpload/Transfer/PunchlistFrom/2024-12
+/SGGL/FineUIPro.Web/Web.config
diff --git a/SGGL/BLL/Common/AttachFileService.cs b/SGGL/BLL/Common/AttachFileService.cs
index d4a5d72d..7756e5e8 100644
--- a/SGGL/BLL/Common/AttachFileService.cs
+++ b/SGGL/BLL/Common/AttachFileService.cs
@@ -516,5 +516,28 @@ namespace BLL
             return result;
 
         }
+
+        /// 
+        /// 判断文件类型是否是图片
+        /// 
+        /// 
+        /// 
+        public static bool IsImage(string FiletExtension)
+        {
+            bool result = false;
+            List list = new List();
+            list.Add(".png");
+            list.Add(".jpg");
+            list.Add(".jpeg");
+            foreach (var item in list)
+            {
+                if (item == FiletExtension)
+                {
+                    result = true;
+                    break;
+                }
+            }
+            return result;
+        }
     }
 }
diff --git a/SGGL/FineUIPro.Web/AttachFile/Look.aspx b/SGGL/FineUIPro.Web/AttachFile/Look.aspx
index 523924a7..193bf8ee 100644
--- a/SGGL/FineUIPro.Web/AttachFile/Look.aspx
+++ b/SGGL/FineUIPro.Web/AttachFile/Look.aspx
@@ -10,17 +10,19 @@