修改BUG：使用最新的bootstrap-input组件，移除class=file，避免组件默认初始化

Bootstrap.Admin/Controllers/Api/ProfilesController.cs

@@ -55,7 +55,7 @@ namespace Bootstrap.Admin.Controllers.Api
                     fileName = Path.Combine(env.WebRootPath, $"images\\uploader\\{fileName}");
                     try
                     {
-                        System.IO.File.Delete(fileName);
+                        if (System.IO.File.Exists(fileName)) System.IO.File.Delete(fileName);
                         fileName = "default.jpg";
                         UserHelper.SaveUserIconByName(userName, fileName);
                     }

Bootstrap.Admin/Views/Admin/Profiles.cshtml

@@ -101,7 +101,7 @@
     <div class="card-body">
         <form enctype="multipart/form-data" class="d-none" data-admin="@User.IsInRole("Administrators")">
             <div class="form-group">
-                <input id="fileIcon" class="file" type="file" data-init="@Model.Size" data-file="@Model.FileName">
+                <input id="fileIcon" type="file" data-init="@Model.Size" data-file="@Model.FileName">
             </div>
         </form>
         <img class="card-img d-none" src="@Url.Content(Model.Icon)" />

Bootstrap.Admin/wwwroot/js/profiles.js

@@ -19,7 +19,9 @@
         ],
         initialPreviewAsData: true,
         overwriteInitial: true,
-        dropZoneTitle: "请选择头像"
+        dropZoneTitle: "请选择头像",
+        msgPlaceholder: "请选择头像",
+        fileActionSettings: { showUpload: false }
     }).on('fileuploaded', function (event, data, previewId, index) {
         var url = data.response.initialPreview[0];
         if (!!url === true) $headerIcon.attr('src', url);