fix issue

templates/repo/grampus/notebook/show.tmpl

@@ -219,7 +219,7 @@
                                                     </td>
                                                     <td class="ti-text-form-content">
                                                         <div class="text-span text-span-w" id="{{.VersionName}}-ai_center">
-                                                            {{if $.AiCenter}}{{$.AiCenter}}{{else}}--{{end}}
+                                                            {{if $.ai_center}}{{$.ai_center}}{{else}}--{{end}}
                                                         </div>
                                                     </td>
                                                 </tr>