diff --git a/demo/js/core/popup/demo.popover.js b/demo/js/core/popup/demo.popover.js
index 2c02e30db..82a5e4a9d 100644
--- a/demo/js/core/popup/demo.popover.js
+++ b/demo/js/core/popup/demo.popover.js
@@ -169,14 +169,15 @@ Demo.Func = BI.inherit(BI.Widget, {
             }, {
                 type: "bi.text_button",
                 height: 30,
-                text: "弹出一个高度动态的popover层, 此弹出层指定size为small, 但是高度随内容自适应，自适应支持的最大高度为600px",
+                text: "弹出一个高度动态的popover层, 此弹出层指定size为small, 但是高度随内容自适应，自适应支持的最大高度为默认为600px",
                 handler: function() {
                     var id = "弹出层id1"
                     BI.Popovers.create(id, {
                         // String或者是json都行
                         header: "弹出层标题",
                         logic: {
-                            dynamic: true
+                            dynamic: true,
+                            maxHeight: 700,
                         },
                         size: "small",
                         body: {
diff --git a/src/base/layer/layer.popover.js b/src/base/layer/layer.popover.js
index 784062447..6269d1daa 100644
--- a/src/base/layer/layer.popover.js
+++ b/src/base/layer/layer.popover.js
@@ -16,7 +16,8 @@ BI.Popover = BI.inherit(BI.Widget, {
         baseCls: "bi-popover bi-card bi-border-radius",
         size: "normal", // small, normal, big
         logic: {
-            dynamic: false
+            dynamic: false,
+            maxHeight: 600,
         },
         header: null,
         headerHeight: 40,
@@ -155,7 +156,7 @@ BI.Popover = BI.inherit(BI.Widget, {
         if (o.logic.dynamic) {
             var size = this._calculateSize();
             var height = this.element.height();
-            var compareHeight = BI.clamp(height, size.height, 600) - (o.footer ? o.footerHeight + o.headerHeight : o.headerHeight);
+            var compareHeight = BI.clamp(height, size.height, o.logic.maxHeight || 600) - (o.footer ? o.footerHeight + o.headerHeight : o.headerHeight);
             this.body.element.height(compareHeight);
         }
     },