diff --git a/application/admin/command/Install/install.html b/application/admin/command/Install/install.html
index 382d776aec1d0c6d104280865321b5b139f0cc29..b5d99cd080fbca544dc3c72e285a1a1518f630df 100644
--- a/application/admin/command/Install/install.html
+++ b/application/admin/command/Install/install.html
@@ -9,7 +9,7 @@
 
     <style>
         body {
-            background: #fff;
+            background: #F5F5F5; /* 护眼 */
             margin: 0;
             padding: 0;
             line-height: 1.5;
@@ -20,7 +20,7 @@
         body, input, button {
             font-family: 'Source Sans Pro', 'Helvetica Neue', Helvetica, 'Microsoft Yahei', Arial, sans-serif;
             font-size: 14px;
-            color: #7E96B3;
+            color: #555C65; /* 提高对比度，护眼 */
         }
 
         .container {
@@ -31,7 +31,7 @@
         }
 
         a {
-            color: #18bc9c;
+            color: #18BC9C;
             text-decoration: none;
         }
 
@@ -71,7 +71,7 @@
         }
 
         .form-field input {
-            background: #EDF2F7;
+            background: #EAF0F6; /* 提升对比度 */
             margin: 0 0 1px;
             border: 2px solid transparent;
             transition: background 0.2s, border-color 0.2s, color 0.2s;