diff --git a/packages/picker/src/picker-column.vue b/packages/picker/src/picker-column.vue
index 81b387db2..19c83e984 100644
--- a/packages/picker/src/picker-column.vue
+++ b/packages/picker/src/picker-column.vue
@@ -154,7 +154,9 @@ export default {
       var el = this.$refs.wrapper;
       var dragState = {};
 
-      var velocityTranslate, prevTranslate, pickerItems;
+      var velocityTranslate;
+      var prevTranslate;
+      var pickerItems; // eslint-disable-line
 
       draggable(el, {
         start: (event) => {
@@ -166,7 +168,7 @@ export default {
             startTop: event.pageY,
             startTranslateTop: translateUtil.getElementTranslate(el).top
           };
-          pickerItems = el.querySelectorAll('.z-picker-item');
+          pickerItems = el.querySelectorAll('.z-picker-item'); // eslint-disable-line
         },
 
         drag: (event) => {
diff --git a/packages/picker/src/picker.vue b/packages/picker/src/picker.vue
index 6be3a5821..0a9f6b9c0 100644
--- a/packages/picker/src/picker.vue
+++ b/packages/picker/src/picker.vue
@@ -98,7 +98,6 @@ export default {
      */
     getColumnValue(index) {
       let column = this.getColumn(index);
-      console.log(column)
       return column && column.values[column.valueIndex];
     },
 
diff --git a/src/utils/transition.js b/src/utils/transition.js
index 215dc0d4f..b98ff7e63 100644
--- a/src/utils/transition.js
+++ b/src/utils/transition.js
@@ -7,7 +7,7 @@ if (!Vue.prototype.$isServer) {
   var engine;
   var translate3d = false;
 
-  if (window.opera && Object.prototype.toString.call(opera) === '[object Opera]') {
+  if (window.opera && Object.prototype.toString.call(window.opera) === '[object Opera]') {
     engine = 'presto';
   } else if ('MozAppearance' in docStyle) {
     engine = 'gecko';
@@ -77,7 +77,7 @@ if (!Vue.prototype.$isServer) {
     if (element === null || element.style === null) return;
 
     var transformValue = element.style[transformProperty];
-    
+
     if (transformValue) {
       transformValue = transformValue.replace(/translate\(\s*(-?\d+(\.?\d+?)?)px,\s*(-?\d+(\.\d+)?)px\)\s*translateZ\(0px\)/g, '');
       element.style[transformProperty] = transformValue;