测试

gzh/css/myData.css

@@ -37,6 +37,10 @@
   position: relative;
 }
 .list-btn-box select {
+  appearance: none;
+  -moz-appearance: none;
+  -webkit-appearance: none;
+  -ms-appearance: none;
   background: #E4F9F9;
   width: 1.5rem;
   height: 0.7rem;
@@ -50,17 +54,20 @@
   filter: none !important;
   outline: none;
   background-image: none !important;
-  text-indent: 0.1rem;
+  text-indent: 0.2rem;
   right: 0.65rem;
   top: 0.1rem;
 }
 .list-btn-box select option {
   text-align: center !important;
   font-size: 0.3rem;
-  border: none;
-  /*清除select聚焦时候的边框颜色*/
-  outline: none;
-  text-indent: 0.1rem;
+  text-indent: 0.2rem;
+}
+.bottom-arrow {
+  width: 0.25rem;
+  position: absolute;
+  left: 8.9rem;
+  top: 0.38rem;
 }
 .list-btn-ul {
   margin-left: 0.3rem;

gzh/css/myData.less

@@ -36,6 +36,10 @@
   height: 1rem;
   position: relative;
   select{
+    appearance:none;
+    -moz-appearance:none;
+    -webkit-appearance:none;
+    -ms-appearance:none;
     background: #E4F9F9;
     width: 1.5rem;
     height: 0.7rem;
@@ -49,20 +53,24 @@
     filter: none !important;
     outline: none;
     background-image: none !important;
-    text-indent: 0.1rem;
+    text-indent: 0.2rem;
     right: 0.65rem;
     top: 0.1rem;
     option{
       text-align: center !important;
       font-size: 0.3rem;
-      border: none;
-      /*清除select聚焦时候的边框颜色*/
-      outline: none;
-      text-indent: 0.1rem;
+      text-indent: 0.2rem;
    
     }
   }
 }
+.bottom-arrow{
+  width: 0.25rem;
+  position: absolute;
+  left: 8.9rem;
+  top: 0.38rem;
+
+}
 .list-btn-ul{
   margin-left: 0.3rem;
   li{

gzh/myData.html

@@ -52,6 +52,7 @@
       <option value ="1">按周</option>
       <option value ="2">按月</option>
     </select>
+    <img class="bottom-arrow" src="images/bottom.png" alt="">
   </div>
   <div class="list-top-box clearfix">
     <!-- <div class="list-top-box1">