diff --git a/admin/css/style.css b/admin/css/style.css
index 07c9c832..05733e3c 100644
--- a/admin/css/style.css
+++ b/admin/css/style.css
@@ -1148,6 +1148,7 @@ a.operate-reply {
   top: 38px;
   left: 0;
   width: 50%;
+  height: 100%;
   z-index: 999;
   outline: none;
   -webkit-box-sizing: border-box;
diff --git a/admin/img/editor.png b/admin/img/editor.png
index a0c0e550..82c86516 100644
Binary files a/admin/img/editor.png and b/admin/img/editor.png differ
diff --git a/admin/scss/components/_editor.scss b/admin/scss/components/_editor.scss
index 3000520d..5322f449 100644
--- a/admin/scss/components/_editor.scss
+++ b/admin/scss/components/_editor.scss
@@ -106,6 +106,7 @@
     top: 38px;
     left: 0;
     width: 50%;
+    height: 100%;
     z-index: 999;
     outline: none;
     @include box-sizing(border-box);