diff --git a/src/layouts/index.less b/src/layouts/index.less
index fe1376f2..c1fe4a56 100644
--- a/src/layouts/index.less
+++ b/src/layouts/index.less
@@ -8,7 +8,7 @@ body {
 
 .code-mirror-wrapper .CodeMirror {
   position: absolute;
-  height: calc(100vh - 176px);
+  height: calc(100vh - 128px);
   width: calc(100% - 32px);
 }
 
@@ -29,4 +29,7 @@ body {
       height: calc(100vh - 144px);
     }
   }
+  .code-mirror-wrapper .CodeMirror {
+    height: calc(100vh - 176px);
+  }
 }