diff --git a/common/css/lib.css b/common/css/lib.css
index f32a6bd1..df1f744e 100644
--- a/common/css/lib.css
+++ b/common/css/lib.css
@@ -710,10 +710,6 @@
 /**
  * 高度
  */
-.ht-auto {
-    height: auto;
-}
-
 .ht-0 {
     height: 0 !important;
 }
diff --git a/common/css/page.css b/common/css/page.css
index db029e11..26021934 100644
--- a/common/css/page.css
+++ b/common/css/page.css
@@ -188,6 +188,9 @@ button:before {
 .wh-auto {
     width: 100% !important;
 }
+.ht-auto {
+    height: 100% !important;
+}
 .tc {
     text-align: center;
 }