diff --git a/application/admin/view/dashboard/task_complete.html b/application/admin/view/dashboard/task_complete.html
index 9894c84..2d9d3ee 100644
--- a/application/admin/view/dashboard/task_complete.html
+++ b/application/admin/view/dashboard/task_complete.html
@@ -28,7 +28,7 @@
                 <div class="input-group-addon no-border no-padding">
                     <span><button type="button" id="plupload-path" class="btn btn-danger plupload" data-input-id="c-prove_file_path" data-mimetype="*" data-multiple="false" data-preview-id="p-path"><i class="fa fa-upload"></i> {:__('Upload')}</button></span>
                     {if $row->prove_file_path}
-                    <span><button class="btn btn-primary btn-info btn-preview" data-type="{$row.filetype}" data-url="{$row.fileurl}">预览</button></span>
+                    <span><button class="btn btn-primary btn-info btn-preview" data-filetype="{$row.filetype}" data-fileurl="{$row.fileurl}">预览</button></span>
                     {/if}
                 </div>
                 <span class="msg-box n-right" for="c-prove_file_path"></span>
diff --git a/application/admin/view/oa/doc/edit.html b/application/admin/view/oa/doc/edit.html
index 8bd0a3d..22f1616 100644
--- a/application/admin/view/oa/doc/edit.html
+++ b/application/admin/view/oa/doc/edit.html
@@ -26,7 +26,7 @@
                 <input id="c-path" data-rule="required" class="form-control" size="50" name="row[path]" type="text" value="{$row.path|htmlentities}">
                 <div class="input-group-addon no-border no-padding">
                     <span><button type="button" id="plupload-path" class="btn btn-danger plupload" data-input-id="c-path" data-mimetype="*" data-multiple="false" data-preview-id="p-path"><i class="fa fa-upload"></i> {:__('Upload')}</button></span>
-                    <span><button class="btn btn-primary btn-info btn-preview" data-url="{$row.fileurl}" data-type="{$row.filetype}">预览</button></span>
+                    <span><button class="btn btn-primary btn-info btn-preview" data-fileurl="{$row.fileurl}" data-filetype="{$row.filetype}">预览</button></span>
                 </div>
                 <span class="msg-box n-right" for="c-path"></span>
             </div>
diff --git a/application/admin/view/oa/task/review.html b/application/admin/view/oa/task/review.html
index fd14383..ea11fae 100644
--- a/application/admin/view/oa/task/review.html
+++ b/application/admin/view/oa/task/review.html
@@ -49,7 +49,7 @@
                 <input id="c-prove_file_path" class="form-control" size="50" readonly="readonly" name="row[prove_file_path]" type="text" value="{$row.prove_file_path}">
                 <div class="input-group-addon no-border no-padding">
                     {if $row.prove_file_path}
-                        <span><button class="btn btn-primary btn-info btn-preview" data-type="{$row.filetype}" data-url="{$row.fileurl}">预览</button></span>
+                        <span><button class="btn btn-primary btn-info btn-preview" data-filetype="{$row.filetype}" data-fileurl="{$row.fileurl}">预览</button></span>
                     {/if}
                 </div>
                 <span class="msg-box n-right" for="c-prove_file_path"></span>
diff --git a/public/assets/js/backend/dashboard.js b/public/assets/js/backend/dashboard.js
index c5db46c..84b87a9 100755
--- a/public/assets/js/backend/dashboard.js
+++ b/public/assets/js/backend/dashboard.js
@@ -100,21 +100,21 @@ define(['jquery', 'bootstrap', 'backend', 'addtabs', 'table', 'echarts', 'echart
 
             $(document).on('click', '.btn-preview', function (e) {
                 e.preventDefault();
-                var fileType = $(this).data('type'); // 自动从 data-type 获取，比如 pdf, jpg, doc
-                var url = $(this).data('url');
+                var fileType = $(this).data('filetype'); // 自动从 data-type 获取，比如 pdf, jpg, doc
+                var fileUrl = $(this).data('fileurl');
 
                 if (fileType === 'pdf') {
                     Layer.open({
                         type: 2,
                         title: '预览PDF文件',
                         area: ['80%', '80%'],
-                        content: url
+                        content: fileUrl
                     });
                 } else if (['jpg', 'jpeg', 'png', 'gif', 'webp'].includes(fileType)) {
                     Layer.photos({
                         photos: {
                             "title": "图片预览",
-                            "data": [{"src": url}]
+                            "data": [{"src": fileUrl}]
                         },
                         anim: 5
                     });
@@ -123,10 +123,10 @@ define(['jquery', 'bootstrap', 'backend', 'addtabs', 'table', 'echarts', 'echart
                         type: 1,
                         title: '视频预览',
                         area: ['800px', '500px'],
-                        content: `<video src="${url}" width="100%" height="100%" controls autoplay></video>`
+                        content: `<video src="${fileUrl}" width="100%" height="100%" controls autoplay></video>`
                     });
                 } else {
-                    window.open(url, '_blank');
+                    window.open(fileUrl, '_blank');
                 }
             });