diff --git a/demo/config.js b/demo/config.js
index cc3e5dfe7..71893d1b2 100644
--- a/demo/config.js
+++ b/demo/config.js
@@ -1524,13 +1524,19 @@ Demo.CONSTANTS = {
         {id: 121, pId: 12, value: "第三级目录1", text: "第三级目录1"},
         {id: 122, pId: 12, value: "第三级文件1", text: "第三级文件1"},
         {id: 1211, pId: 121, value: "第四级目录1", text: "第四级目录1"},
-        {id: 12111, pId: 1211, value: "第五级文件1", text: "第五级文件111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"},
+        {
+            id: 12111,
+            pId: 1211,
+            value: "第五级文件1",
+            text: "第五级文件111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+        },
         {id: 2, pId: -1, value: "第一级目录2", text: "第一级目录2"},
         {id: 21, pId: 2, value: "第二级目录3", text: "第二级目录3"},
         {id: 22, pId: 2, value: "第二级文件2", text: "第二级文件2"},
         {id: 211, pId: 21, value: "第三级目录2", text: "第三级目录2"},
         {id: 212, pId: 21, value: "第三级文件2", text: "第三级文件2"},
-        {id: 2111, pId: 211, value: "第四级文件1", text: "第四级文件1"}],
+        {id: 2111, pId: 211, value: "第四级文件1", text: "第四级文件1"},
+        {id: 3, pId: -1, value: "第一级目录3", text: "第一级目录3", isParent: true}],
     LEVELTREE: [{
         id: 1,
         text: "第一项",
diff --git a/dist/bundle.ie.js b/dist/bundle.ie.js
index 639c01b5c..24834c95c 100644
--- a/dist/bundle.ie.js
+++ b/dist/bundle.ie.js
@@ -53789,7 +53789,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         this._createValueMap();
 
         var value;
-        if(BI.isNotNull(o.value)){
+        if(BI.isNotNull(o.value)) {
             value = this._digest(o.value);
         }
         this.trigger = BI.createWidget({
@@ -53813,13 +53813,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -53838,6 +53844,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
@@ -57327,7 +57334,7 @@ BI.LevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.last_plus_group_node";
@@ -57469,7 +57476,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
             }
         };
 
-        function beforeCollapse (treeId, treeNode) {
+        function beforeCollapse(treeId, treeNode) {
             return false;
         }
 
@@ -57480,6 +57487,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
+            node.isParent = node.isParent || node.parent;
             if (node.text == null) {
                 if (node.count > 0) {
                     node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
@@ -64857,7 +64865,7 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_select_tree_last_plus_group_node";
@@ -65548,7 +65556,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_single_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_single_tree_last_plus_group_node";
@@ -74163,7 +74171,7 @@ BI.SelectTreePopup = BI.inherit(BI.Pane, {
             var extend = {layer: layer};
             node.id = node.id || BI.UUID();
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.select_tree_last_plus_group_node";
diff --git a/dist/bundle.js b/dist/bundle.js
index c40c94cb6..79e94bff9 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -54328,7 +54328,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         this._createValueMap();
 
         var value;
-        if(BI.isNotNull(o.value)){
+        if(BI.isNotNull(o.value)) {
             value = this._digest(o.value);
         }
         this.trigger = BI.createWidget({
@@ -54352,13 +54352,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -54377,6 +54383,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
@@ -57866,7 +57873,7 @@ BI.LevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.last_plus_group_node";
@@ -58008,7 +58015,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
             }
         };
 
-        function beforeCollapse (treeId, treeNode) {
+        function beforeCollapse(treeId, treeNode) {
             return false;
         }
 
@@ -58019,6 +58026,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
+            node.isParent = node.isParent || node.parent;
             if (node.text == null) {
                 if (node.count > 0) {
                     node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
@@ -65396,7 +65404,7 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_select_tree_last_plus_group_node";
@@ -66087,7 +66095,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_single_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_single_tree_last_plus_group_node";
@@ -74702,7 +74710,7 @@ BI.SelectTreePopup = BI.inherit(BI.Pane, {
             var extend = {layer: layer};
             node.id = node.id || BI.UUID();
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.select_tree_last_plus_group_node";
diff --git a/dist/case.js b/dist/case.js
index 0ff496e20..71aa9ba7b 100644
--- a/dist/case.js
+++ b/dist/case.js
@@ -5466,7 +5466,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         this._createValueMap();
 
         var value;
-        if(BI.isNotNull(o.value)){
+        if(BI.isNotNull(o.value)) {
             value = this._digest(o.value);
         }
         this.trigger = BI.createWidget({
@@ -5490,13 +5490,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -5515,6 +5521,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
@@ -9004,7 +9011,7 @@ BI.LevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.last_plus_group_node";
@@ -9146,7 +9153,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
             }
         };
 
-        function beforeCollapse (treeId, treeNode) {
+        function beforeCollapse(treeId, treeNode) {
             return false;
         }
 
@@ -9157,6 +9164,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
+            node.isParent = node.isParent || node.parent;
             if (node.text == null) {
                 if (node.count > 0) {
                     node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
diff --git a/dist/demo.js b/dist/demo.js
index fc5951847..29f067c2a 100644
--- a/dist/demo.js
+++ b/dist/demo.js
@@ -13286,13 +13286,19 @@ Demo.CONSTANTS = {
         {id: 121, pId: 12, value: "第三级目录1", text: "第三级目录1"},
         {id: 122, pId: 12, value: "第三级文件1", text: "第三级文件1"},
         {id: 1211, pId: 121, value: "第四级目录1", text: "第四级目录1"},
-        {id: 12111, pId: 1211, value: "第五级文件1", text: "第五级文件111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"},
+        {
+            id: 12111,
+            pId: 1211,
+            value: "第五级文件1",
+            text: "第五级文件111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+        },
         {id: 2, pId: -1, value: "第一级目录2", text: "第一级目录2"},
         {id: 21, pId: 2, value: "第二级目录3", text: "第二级目录3"},
         {id: 22, pId: 2, value: "第二级文件2", text: "第二级文件2"},
         {id: 211, pId: 21, value: "第三级目录2", text: "第三级目录2"},
         {id: 212, pId: 21, value: "第三级文件2", text: "第三级文件2"},
-        {id: 2111, pId: 211, value: "第四级文件1", text: "第四级文件1"}],
+        {id: 2111, pId: 211, value: "第四级文件1", text: "第四级文件1"},
+        {id: 3, pId: -1, value: "第一级目录3", text: "第一级目录3", isParent: true}],
     LEVELTREE: [{
         id: 1,
         text: "第一项",
diff --git a/dist/fineui.ie.js b/dist/fineui.ie.js
index 3eb564125..7b468d3e7 100644
--- a/dist/fineui.ie.js
+++ b/dist/fineui.ie.js
@@ -54031,7 +54031,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         this._createValueMap();
 
         var value;
-        if(BI.isNotNull(o.value)){
+        if(BI.isNotNull(o.value)) {
             value = this._digest(o.value);
         }
         this.trigger = BI.createWidget({
@@ -54055,13 +54055,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -54080,6 +54086,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
@@ -57569,7 +57576,7 @@ BI.LevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.last_plus_group_node";
@@ -57711,7 +57718,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
             }
         };
 
-        function beforeCollapse (treeId, treeNode) {
+        function beforeCollapse(treeId, treeNode) {
             return false;
         }
 
@@ -57722,6 +57729,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
+            node.isParent = node.isParent || node.parent;
             if (node.text == null) {
                 if (node.count > 0) {
                     node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
@@ -65099,7 +65107,7 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_select_tree_last_plus_group_node";
@@ -65790,7 +65798,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_single_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_single_tree_last_plus_group_node";
@@ -74405,7 +74413,7 @@ BI.SelectTreePopup = BI.inherit(BI.Pane, {
             var extend = {layer: layer};
             node.id = node.id || BI.UUID();
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.select_tree_last_plus_group_node";
diff --git a/dist/fineui.js b/dist/fineui.js
index 41bde3487..2a534ba2d 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -54570,7 +54570,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         this._createValueMap();
 
         var value;
-        if(BI.isNotNull(o.value)){
+        if(BI.isNotNull(o.value)) {
             value = this._digest(o.value);
         }
         this.trigger = BI.createWidget({
@@ -54594,13 +54594,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -54619,6 +54625,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
@@ -58108,7 +58115,7 @@ BI.LevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.last_plus_group_node";
@@ -58250,7 +58257,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
             }
         };
 
-        function beforeCollapse (treeId, treeNode) {
+        function beforeCollapse(treeId, treeNode) {
             return false;
         }
 
@@ -58261,6 +58268,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
+            node.isParent = node.isParent || node.parent;
             if (node.text == null) {
                 if (node.count > 0) {
                     node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
@@ -65638,7 +65646,7 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_select_tree_last_plus_group_node";
@@ -66329,7 +66337,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_single_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_single_tree_last_plus_group_node";
@@ -74944,7 +74952,7 @@ BI.SelectTreePopup = BI.inherit(BI.Pane, {
             var extend = {layer: layer};
             node.id = node.id || BI.UUID();
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.select_tree_last_plus_group_node";
diff --git a/dist/fineui_without_jquery_polyfill.js b/dist/fineui_without_jquery_polyfill.js
index 1eead17e4..ccd28bbac 100644
--- a/dist/fineui_without_jquery_polyfill.js
+++ b/dist/fineui_without_jquery_polyfill.js
@@ -37651,7 +37651,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         this._createValueMap();
 
         var value;
-        if(BI.isNotNull(o.value)){
+        if(BI.isNotNull(o.value)) {
             value = this._digest(o.value);
         }
         this.trigger = BI.createWidget({
@@ -37675,13 +37675,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -37700,6 +37706,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
@@ -41189,7 +41196,7 @@ BI.LevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.last_plus_group_node";
@@ -48521,7 +48528,7 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_select_tree_last_plus_group_node";
@@ -49212,7 +49219,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_single_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_single_tree_last_plus_group_node";
@@ -57827,7 +57834,7 @@ BI.SelectTreePopup = BI.inherit(BI.Pane, {
             var extend = {layer: layer};
             node.id = node.id || BI.UUID();
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.select_tree_last_plus_group_node";
diff --git a/dist/widget.js b/dist/widget.js
index b9997e2b4..f51826e97 100644
--- a/dist/widget.js
+++ b/dist/widget.js
@@ -6713,7 +6713,7 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_select_tree_last_plus_group_node";
@@ -7404,7 +7404,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_single_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_single_tree_last_plus_group_node";
@@ -16019,7 +16019,7 @@ BI.SelectTreePopup = BI.inherit(BI.Pane, {
             var extend = {layer: layer};
             node.id = node.id || BI.UUID();
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.select_tree_last_plus_group_node";
diff --git a/src/case/combo/textvaluedownlistcombo/combo.textvaluedownlist.js b/src/case/combo/textvaluedownlistcombo/combo.textvaluedownlist.js
index f075a3ec9..734395889 100644
--- a/src/case/combo/textvaluedownlistcombo/combo.textvaluedownlist.js
+++ b/src/case/combo/textvaluedownlistcombo/combo.textvaluedownlist.js
@@ -20,7 +20,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         this._createValueMap();
 
         var value;
-        if(BI.isNotNull(o.value)){
+        if(BI.isNotNull(o.value)) {
             value = this._digest(o.value);
         }
         this.trigger = BI.createWidget({
@@ -44,13 +44,19 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
         });
 
         this.combo.on(BI.DownListCombo.EVENT_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].value);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].value;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
 
         this.combo.on(BI.DownListCombo.EVENT_SON_VALUE_CHANGE, function () {
-            self.setValue(self.combo.getValue()[0].childValue);
-            self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            var currentVal = self.combo.getValue()[0].childValue;
+            if (currentVal !== self.value) {
+                self.setValue(currentVal);
+                self.fireEvent(BI.TextValueDownListCombo.EVENT_CHANGE);
+            }
         });
     },
 
@@ -69,6 +75,7 @@ BI.TextValueDownListCombo = BI.inherit(BI.Widget, {
     },
 
     _digest: function (v) {
+        this.value = v;
         return this.valueMap[v];
     },
 
diff --git a/src/case/tree/tree.level.js b/src/case/tree/tree.level.js
index 1600a0d71..193ce0e7a 100644
--- a/src/case/tree/tree.level.js
+++ b/src/case/tree/tree.level.js
@@ -31,7 +31,7 @@ BI.LevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.last_plus_group_node";
diff --git a/src/case/tree/ztree/tree.display.js b/src/case/tree/ztree/tree.display.js
index 002ede97d..b54a1c0d9 100644
--- a/src/case/tree/ztree/tree.display.js
+++ b/src/case/tree/ztree/tree.display.js
@@ -38,7 +38,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
             }
         };
 
-        function beforeCollapse (treeId, treeNode) {
+        function beforeCollapse(treeId, treeNode) {
             return false;
         }
 
@@ -49,6 +49,7 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
+            node.isParent = node.isParent || node.parent;
             if (node.text == null) {
                 if (node.count > 0) {
                     node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
diff --git a/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js b/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js
index 5f072737e..48ba3ce1d 100644
--- a/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js
+++ b/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js
@@ -30,7 +30,7 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_select_tree_last_plus_group_node";
diff --git a/src/widget/multilayersingletree/multilayersingletree.leveltree.js b/src/widget/multilayersingletree/multilayersingletree.leveltree.js
index 76086042b..220af07b0 100644
--- a/src/widget/multilayersingletree/multilayersingletree.leveltree.js
+++ b/src/widget/multilayersingletree/multilayersingletree.leveltree.js
@@ -30,7 +30,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
                 node.id = BI.UUID();
             }
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.multilayer_single_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.multilayer_single_tree_last_plus_group_node";
diff --git a/src/widget/selecttree/selecttree.popup.js b/src/widget/selecttree/selecttree.popup.js
index b190686d6..f2aeea428 100644
--- a/src/widget/selecttree/selecttree.popup.js
+++ b/src/widget/selecttree/selecttree.popup.js
@@ -20,7 +20,7 @@ BI.SelectTreePopup = BI.inherit(BI.Pane, {
             var extend = {layer: layer};
             node.id = node.id || BI.UUID();
             extend.pNode = pNode;
-            if (node.isParent === true || BI.isNotEmptyArray(node.children)) {
+            if (node.isParent === true || node.parent === true || BI.isNotEmptyArray(node.children)) {
                 extend.type = "bi.select_tree_mid_plus_group_node";
                 if (i === nodes.length - 1) {
                     extend.type = "bi.select_tree_last_plus_group_node";