diff --git a/docs/examples/picker.md b/docs/examples/picker.md
index f4d8959f3..d3f1a1503 100644
--- a/docs/examples/picker.md
+++ b/docs/examples/picker.md
@@ -3,6 +3,9 @@ export default {
   data() {
     return {
       pickerColumns: [
+        {
+          values: ['杭州', '宁波', '温州', '嘉兴', '湖州', '绍兴', '金华', '衢州', '舟山', '台州', '丽水']
+        },
         {
           values: ['杭州', '宁波', '温州', '嘉兴', '湖州', '绍兴', '金华', '衢州', '舟山', '台州', '丽水']
         }
diff --git a/packages/zanui-css/src/picker.pcss b/packages/zanui-css/src/picker.pcss
index 59947341d..9dfb84acd 100644
--- a/packages/zanui-css/src/picker.pcss
+++ b/packages/zanui-css/src/picker.pcss
@@ -22,7 +22,7 @@
         }
       }
 
-      @m 2 {
+      @m 3 {
         .z-picker-column {
           width: 33.333%;
         }
@@ -35,6 +35,7 @@
     overflow: hidden;
     position: relative;
     max-height: 100%;
+    float: left;
     text-align: center;
 
     @e item {