diff --git a/chart/views.py b/chart/views.py
index 73909f6..e917d99 100644
--- a/chart/views.py
+++ b/chart/views.py
@@ -29,10 +29,10 @@ def out_page(request, page):
             'title': db.name,
             'Basics': mark_safe(a.html_out_Basics()),
             'Senior': mark_safe(a.html_out_Senior()),
-            'example_file': db.name.replace(" ", "_"),
+            'example_file': db.example_file,
             'js': mark_safe(a.js_out()),
             'url': url_,
-            "color":mark_safe(a.color_js())
+            "color": mark_safe(a.color_js())
         }
         return render(request, f'./chart/Basic.html', data)
 
diff --git a/identifier.sqlite b/identifier.sqlite
new file mode 100644
index 0000000..e69de29
diff --git a/templates/chart/Basic.html b/templates/chart/Basic.html
index d5f61dc..c793f6f 100644
--- a/templates/chart/Basic.html
+++ b/templates/chart/Basic.html
@@ -94,7 +94,8 @@
                     </dl>
                 </li>
 
-                <li class="layui-nav-item NO "><a href={{ url }}/chart/down?name={{ example_file }}.csv>downlode eg file</a></li>
+                <li class="layui-nav-item NO "><a href={{ url }}/chart/down?name={{ example_file }}>downlode eg file</a>
+                </li>
 
             </ul>
         </div>
diff --git a/templates/page/tools.html b/templates/page/tools.html
index f5a0a3f..7a86dd2 100644
--- a/templates/page/tools.html
+++ b/templates/page/tools.html
@@ -472,7 +472,6 @@
 
     // fastqc
     function fastqc_run() {
-
         layui.use(['upload'], function () {
             var $ = layui.jquery
                 , layer = layui.layer;
diff --git a/templates/tools/Basics.html b/templates/tools/Basics.html
index 0ea14b0..ce28c12 100644
--- a/templates/tools/Basics.html
+++ b/templates/tools/Basics.html
@@ -124,8 +124,11 @@
                 <div class="layui-tab-content">
                     <div class="layui-tab-item layui-show">
                         <div style="margin-left: 30px;">
-                            <p style="font-size: 20px">Convert standard gff format files to standard gtf
-                                format</p>
+                            <p style="font-size: 20px">
+                                Basic file processing tools
+
+
+                            </p>
                         </div>
                     </div>
                 </div>
diff --git a/templates/tools/fastqc.html b/templates/tools/fastqc.html
index 5d12db6..76aed8d 100644
--- a/templates/tools/fastqc.html
+++ b/templates/tools/fastqc.html
@@ -71,8 +71,10 @@
                 <div class="layui-tab-content">
                     <div class="layui-tab-item layui-show">
                         <div style="margin-left: 30px;">
-                            <p style="font-size: 20px">Convert standard gff format files to standard gtf
-                                format</p>
+                            <p style="font-size: 20px">
+
+                                A tool for sequence quality inspection
+                            </p>
                         </div>
                     </div>
                 </div>
diff --git a/templates/tools/orf.html b/templates/tools/orf.html
index a5dc330..fe9d2b8 100644
--- a/templates/tools/orf.html
+++ b/templates/tools/orf.html
@@ -131,8 +131,10 @@
                 <div class="layui-tab-content">
                     <div class="layui-tab-item layui-show">
                         <div style="margin-left: 30px;">
-                            <p style="font-size: 20px">Convert standard gff format files to standard gtf
-                                format</p>
+                            <p style="font-size: 20px">
+
+                                Find the open reading frame in the sequence
+                            </p>
                         </div>
                     </div>
                 </div>
diff --git a/templates/tools/pfam.html b/templates/tools/pfam.html
index 9143349..db73164 100644
--- a/templates/tools/pfam.html
+++ b/templates/tools/pfam.html
@@ -115,8 +115,13 @@
                 <div class="layui-tab-content">
                     <div class="layui-tab-item layui-show">
                         <div style="margin-left: 30px;">
-                            <p style="font-size: 20px">Convert standard gff format files to standard gtf
-                                format</p>
+                            <p style="font-size: 20px">
+                                Pfam（ http://pfam.xfam.org/ ）It is a widely used protein family domain database, which
+                                relies on multi sequence alignment and hidden Markov models (HMMs) to identify one or
+                                more protein functional domains. Proteins produced by different combinations of domains
+                                are different in nature. Therefore, the identification of protein domains is
+                                particularly important for the analysis of protein function.
+                            </p>
                         </div>
                     </div>
                 </div>
diff --git a/tools/views.py b/tools/views.py
index 20305da..10d4682 100644
--- a/tools/views.py
+++ b/tools/views.py
@@ -129,6 +129,7 @@ def Differential_expression_analysis(request):
                 destination.write(chunk)
 
             destination.close()
+        os.system("")
 
     file_path, file_id = tools.path_out("chart")
     data = {"id": file_id}