diff --git a/css/school.css b/css/school.css
index 62c7681..1e0a50f 100644
--- a/css/school.css
+++ b/css/school.css
@@ -520,10 +520,13 @@
   left: 50%;
   z-index: 102;
   transform: translateX(-50%);
-  animation: sortShow 0.3s;
+  animation: sortShow150 0.3s;
   overflow: hidden;
 }
-@keyframes sortShow {
+.content .body .right .h .sort .sort-list.sort-list-tow {
+  animation: sortShow100 0.3s;
+}
+@keyframes sortShow150 {
   0% {
     height: 0;
   }
@@ -531,6 +534,14 @@
     height: 150px;
   }
 }
+@keyframes sortShow100 {
+  0% {
+    height: 0;
+  }
+  100% {
+    height: 100px;
+  }
+}
 .content .body .right .h .sort .sort-list .sort-item {
   height: 50px;
   line-height: 50px;
diff --git a/css/school.less b/css/school.less
index 7ae9eea..994ef38 100644
--- a/css/school.less
+++ b/css/school.less
@@ -583,10 +583,13 @@
                         left: 50%;
                         z-index: 102;
                         transform: translateX(-50%);
-                        animation: sortShow 0.3s;
+                        animation: sortShow150 0.3s;
                         overflow: hidden;
+                        &.sort-list-tow {
+                            animation: sortShow100 0.3s;
+                        }
 
-                        @keyframes sortShow {
+                        @keyframes sortShow150 {
                             0% {
                                 height: 0;
                             }
@@ -596,6 +599,16 @@
                             }
                         }
 
+                        @keyframes sortShow100 {
+                            0% {
+                                height: 0;
+                            }
+
+                            100% {
+                                height: 100px;
+                            }
+                        }
+
                         .sort-item {
                             height: 50px;
                             line-height: 50px;