diff --git a/public/pages/dev/mappingManage/mappingManage.html b/public/pages/dev/mappingManage/mappingManage.html
index ef275816f..254c51771 100755
--- a/public/pages/dev/mappingManage/mappingManage.html
+++ b/public/pages/dev/mappingManage/mappingManage.html
@@ -93,7 +93,7 @@
                                     <td class="text-center">{{mapping.domain}}</td>
                                     <td class="text-center">{{mapping.name}}</td>
                                     <td class="text-center">{{mapping.key}}</td>
-                                    <td class="text-center">{{mapping.value}}</td>
+                                    <td class="text-center" style="max-width:300px;word-break:break-all">{{mapping.value}}</td>
                                     <td class="text-center">
                                         <div class="btn-group">
                                             <button class="btn-white btn btn-xs"
@@ -128,4 +128,4 @@
         <vc:create path="dev/addMapping"></vc:create>
         <vc:create path="dev/editMapping"></vc:create>
         <vc:create path="dev/deleteMapping"></vc:create>
-    </div>
\ No newline at end of file
+    </div>