diff --git a/css/common.css b/css/common.css
index 27b89ea..60280e7 100644
--- a/css/common.css
+++ b/css/common.css
@@ -269,7 +269,7 @@ body {
   border-radius: 0 0 12px 12px;
 }
 .my-project .my-box .contrast-box .left {
-  width: 580px;
+  width: 577px;
 }
 .my-project .my-box .contrast-box .left.left1 {
   width: 820px;
diff --git a/css/common.less b/css/common.less
index ee665c0..6782080 100644
--- a/css/common.less
+++ b/css/common.less
@@ -320,7 +320,7 @@ body {
             background-color: rgba(255, 255, 255, 1);
             border-radius: 0 0 12px 12px;
             .left {
-                width: 580px;
+                width: 577px;
 
                 &.left1 {
                     width: 820px;