diff --git a/src/base/layer/layer.popover.js b/src/base/layer/layer.popover.js
index 4bea91c1b..2ac5012d5 100644
--- a/src/base/layer/layer.popover.js
+++ b/src/base/layer/layer.popover.js
@@ -8,7 +8,7 @@ BI.Popover = BI.inherit(BI.Widget, {
         SIZE: {
             SMALL: "small",
             NORMAL: "normal",
-            BIG: "big",
+            BIG: "big"
         },
         MAX_HEIGHT: 600
     },
@@ -17,7 +17,7 @@ BI.Popover = BI.inherit(BI.Widget, {
         baseCls: "bi-popover bi-card bi-border-radius",
         size: "normal", // small, normal, big
         logic: {
-            dynamic: false,
+            dynamic: false
         },
         header: null,
         headerHeight: 40,
@@ -30,7 +30,8 @@ BI.Popover = BI.inherit(BI.Widget, {
     },
 
     render: function () {
-        var self = this; var o = this.options;
+        var self = this;
+        var o = this.options;
         var c = this._constant;
         this.startX = 0;
         this.startY = 0;
@@ -42,11 +43,11 @@ BI.Popover = BI.inherit(BI.Widget, {
             self.startY += deltaY;
             self.element.css({
                 left: BI.clamp(self.startX, 0, W - self.element.width()) + "px",
-                top: BI.clamp(self.startY, 0, H - self.element.height()) + "px",
+                top: BI.clamp(self.startY, 0, H - self.element.height()) + "px"
             });
             // BI-12134 没有什么特别好的方法
             BI.Resizers._resize({
-                target: self.element[0],
+                target: self.element[0]
             });
         }, function () {
             self.tracker.releaseMouseMoves();
@@ -55,22 +56,27 @@ BI.Popover = BI.inherit(BI.Widget, {
             el: {
                 type: "bi.htape",
                 cls: "bi-message-title bi-header-background",
-                ref: function (_ref) {
-                    self.dragger = _ref;
-                },
                 items: [{
-                    el: BI.isPlainObject(o.header) ? BI.extend({}, o.header, {
-                        extraCls: "bi-font-bold",
-                    }) : {
-                        type: "bi.label",
-                        cls: "bi-font-bold",
-                        height: o.headerHeight,
-                        text: o.header,
-                        title: o.header,
-                        textAlign: "left",
-                    },
-                    lgap: 20,
-                    rgap: o.closable ? 0 : 20
+                    el: {
+                        type: "bi.absolute",
+                        ref: function (_ref) {
+                            self.dragger = _ref;
+                        },
+                        items: [{
+                            el: BI.isPlainObject(o.header) ? BI.extend({}, o.header, {
+                                extraCls: "bi-font-bold"
+                            }) : {
+                                type: "bi.label",
+                                cls: "bi-font-bold",
+                                height: o.headerHeight,
+                                text: o.header,
+                                title: o.header,
+                                textAlign: "left"
+                            },
+                            left: 20,
+                            right: o.closable ? 0 : 20
+                        }]
+                    }
                 }, o.closable ? {
                     el: {
                         type: "bi.icon_button",
@@ -78,13 +84,13 @@ BI.Popover = BI.inherit(BI.Widget, {
                         height: o.headerHeight,
                         handler: function () {
                             self.close();
-                        },
+                        }
                     },
-                    width: 56,
-                }: null],
-                height: o.headerHeight,
+                    width: 56
+                } : null],
+                height: o.headerHeight
             },
-            height: o.headerHeight,
+            height: o.headerHeight
         }, o.logic.dynamic ? {
             el: {
                 type: "bi.vertical",
@@ -95,14 +101,14 @@ BI.Popover = BI.inherit(BI.Widget, {
                 },
                 css: {
                     "max-height": this._getSuitableBodyHeight(c.MAX_HEIGHT - o.headerHeight - (o.footer ? o.footerHeight : 0) - o.bodyTgap),
-                    "min-height": this._getSuitableBodyHeight(size.height - o.headerHeight - (o.footer ? o.footerHeight : 0) - o.bodyTgap),
+                    "min-height": this._getSuitableBodyHeight(size.height - o.headerHeight - (o.footer ? o.footerHeight : 0) - o.bodyTgap)
                 },
                 items: [{
-                    el: o.body,
-                }],
+                    el: o.body
+                }]
             },
             hgap: o.bodyHgap,
-            tgap: o.bodyTgap,
+            tgap: o.bodyTgap
         } : {
             el: {
                 type: "bi.absolute",
@@ -111,9 +117,9 @@ BI.Popover = BI.inherit(BI.Widget, {
                     left: o.bodyHgap,
                     top: o.bodyTgap,
                     right: o.bodyHgap,
-                    bottom: 0,
-                }],
-            },
+                    bottom: 0
+                }]
+            }
         }];
         if (o.footer) {
             items.push({
@@ -124,30 +130,31 @@ BI.Popover = BI.inherit(BI.Widget, {
                         left: 20,
                         top: 0,
                         right: 20,
-                        bottom: 0,
+                        bottom: 0
                     }],
-                    height: o.footerHeight,
+                    height: o.footerHeight
                 },
-                height: o.footerHeight,
+                height: o.footerHeight
             });
         }
 
         return BI.extend({
             type: o.logic.dynamic ? "bi.vertical" : "bi.vtape",
             items: items,
-            width: this._getSuitableWidth(size.width),
+            width: this._getSuitableWidth(size.width)
         }, o.logic.dynamic ? {
             type: "bi.vertical",
-            scrolly: false,
+            scrolly: false
         } : {
             type: "bi.vtape",
-            height: this._getSuitableHeight(size.height),
+            height: this._getSuitableHeight(size.height)
         });
     },
 
     // mounted之后绑定事件
     mounted: function () {
-        var self = this; var o = this.options;
+        var self = this;
+        var o = this.options;
         this.dragger.element.mousedown(function (e) {
             var pos = self.element.offset();
             self.startX = pos.left;
@@ -195,7 +202,7 @@ BI.Popover = BI.inherit(BI.Widget, {
         return {
             width: o.width || size.width,
             height: o.height || size.height,
-            type: size.type || "default",
+            type: size.type || "default"
         };
     },
 
@@ -214,10 +221,11 @@ BI.Popover = BI.inherit(BI.Widget, {
     },
 
     setZindex: function (zindex) {
-        this.element.css({ "z-index": zindex });
+        this.element.css({"z-index": zindex});
     },
 
-    destroyed: function () {},
+    destroyed: function () {
+    }
 });
 
 BI.shortcut("bi.popover", BI.Popover);
@@ -225,12 +233,13 @@ BI.shortcut("bi.popover", BI.Popover);
 BI.BarPopover = BI.inherit(BI.Popover, {
     _defaultConfig: function () {
         return BI.extend(BI.BarPopover.superclass._defaultConfig.apply(this, arguments), {
-            btns: [BI.i18nText("BI-Basic_Sure"), BI.i18nText("BI-Basic_Cancel")],
+            btns: [BI.i18nText("BI-Basic_Sure"), BI.i18nText("BI-Basic_Cancel")]
         });
     },
 
     beforeCreate: function () {
-        var self = this; var o = this.options;
+        var self = this;
+        var o = this.options;
         o.footer || (o.footer = {
             type: "bi.right_vertical_adapt",
             lgap: 10,
@@ -242,7 +251,7 @@ BI.BarPopover = BI.inherit(BI.Popover, {
                 handler: function (v) {
                     self.fireEvent(BI.Popover.EVENT_CANCEL, v);
                     self.close(v);
-                },
+                }
             }, {
                 type: "bi.button",
                 text: this.options.btns[0],
@@ -251,10 +260,10 @@ BI.BarPopover = BI.inherit(BI.Popover, {
                 handler: function (v) {
                     self.fireEvent(BI.Popover.EVENT_CONFIRM, v);
                     self.close(v);
-                },
-            }],
+                }
+            }]
         });
-    },
+    }
 });
 
 BI.shortcut("bi.bar_popover", BI.BarPopover);