diff --git a/public/self/labeling.html b/public/self/labeling.html
index 867d696bc..9f03c4ebc 100644
--- a/public/self/labeling.html
+++ b/public/self/labeling.html
@@ -3,7 +3,7 @@
 <html >
     <head>
         <meta charset="UTF-8">
-        <title>PCL数据标注平台V2.0</title>
+        <title>数据标注平台</title>
         <meta content='width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no' name='viewport'>
         <meta name="description" content="Developed By M Abdur Rokib Promy">
         <meta name="keywords" content="Admin, Bootstrap 3, Template, Theme, Responsive">
@@ -33,6 +33,10 @@
         StaticUrlPrefix: '',
         csrf: '',
       }
+
+      var title_text = sessionStorage.getItem('return_url').split('/')[1]
+      title_text = "数据标注-" + title_text + '-OpenI'
+      document.title = title_text
     
     </script>
 		 <style>
@@ -421,9 +425,9 @@ ul.region_shape .selected { fill:#ffffff; stroke:#ff0000; }
                                 
                 <li id="save_shape" class="draw_li" onclick="save()" title="保存标注(S)"><i class="fa fa-floppy-o" aria-hidden="true"></i></li>
                                 
-                <!-- <li id="previous_shape" onclick="last()" title="上一张(Q)"><svg height="24" viewbox="0 0 28 28"><use xlink:href="#icon_prev"></use></svg></li>
+                <li id="previous_shape"class="draw_li" onclick="last()" title="上一张(Q)"><i class="fa fa-arrow-circle-left" aria-hidden="true"></i></li>
                                 
-                <li id="next_shape" onclick="next()" title="下一张(E)"><svg height="24" viewbox="0 0 28 28"><use xlink:href="#icon_next"></use></svg></li> -->
+                <li id="next_shape" class="draw_li" onclick="next()" title="下一张(E)"><i class="fa fa-arrow-circle-right" aria-hidden="true"></i></li>
                 <li id="copy_shape" class="draw_li"  onclick="copyOneBox()" title="复制单个选中的标注(C)"><i class="fa fa-file-o" aria-hidden="true"></i></li>
                 <li id="copy_shape" class="draw_li"  onclick="copy()" title="复制所有的标注"><i class="fa fa-clone" aria-hidden="true"></i></li>
   
@@ -517,7 +521,7 @@ ul.region_shape .selected { fill:#ffffff; stroke:#ff0000; }
                            </div>
                       </nav> -->
   
-                      <div id="labelwin" width="100%" >
+                      <div id="labelwin" width="100%" style="display: flex;justify-content: center;align-content: center;" >
                               <input type="hidden" class="form-control" id="postmessage" >
                               <div id = "show_region" style="z-index: 50000;position: absolute;width: 0px;height: 0px"></div>
                               
