diff --git a/dist/bundle.js b/dist/bundle.js
index 19db28ddf..366fac31b 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -65607,7 +65607,8 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             baseCls: "bi-multilayer-single-level-tree",
             isDefaultInit: false,
             items: [],
-            itemsCreator: BI.emptyFn
+            itemsCreator: BI.emptyFn,
+            chooseType: BI.Selection.Single
         });
     },
 
@@ -65686,7 +65687,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
 
             el: {
                 type: "bi.button_tree",
-                chooseType: BI.Selection.Single,
+                chooseType: o.chooseType,
                 layouts: [{
                     type: "bi.vertical"
                 }]
@@ -65704,7 +65705,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             element: this,
             scrollable: true,
             items: [this.tree]
-        })
+        });
     },
 
     populate: function (nodes) {
diff --git a/dist/fineui.js b/dist/fineui.js
index 2a22d6408..db731d34f 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -65846,7 +65846,8 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             baseCls: "bi-multilayer-single-level-tree",
             isDefaultInit: false,
             items: [],
-            itemsCreator: BI.emptyFn
+            itemsCreator: BI.emptyFn,
+            chooseType: BI.Selection.Single
         });
     },
 
@@ -65925,7 +65926,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
 
             el: {
                 type: "bi.button_tree",
-                chooseType: BI.Selection.Single,
+                chooseType: o.chooseType,
                 layouts: [{
                     type: "bi.vertical"
                 }]
@@ -65943,7 +65944,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             element: this,
             scrollable: true,
             items: [this.tree]
-        })
+        });
     },
 
     populate: function (nodes) {
diff --git a/dist/fineui_without_jquery_polyfill.js b/dist/fineui_without_jquery_polyfill.js
index 963481d2b..8bd624675 100644
--- a/dist/fineui_without_jquery_polyfill.js
+++ b/dist/fineui_without_jquery_polyfill.js
@@ -49433,7 +49433,8 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             baseCls: "bi-multilayer-single-level-tree",
             isDefaultInit: false,
             items: [],
-            itemsCreator: BI.emptyFn
+            itemsCreator: BI.emptyFn,
+            chooseType: BI.Selection.Single
         });
     },
 
@@ -49512,7 +49513,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
 
             el: {
                 type: "bi.button_tree",
-                chooseType: BI.Selection.Single,
+                chooseType: o.chooseType,
                 layouts: [{
                     type: "bi.vertical"
                 }]
@@ -49530,7 +49531,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             element: this,
             scrollable: true,
             items: [this.tree]
-        })
+        });
     },
 
     populate: function (nodes) {
diff --git a/dist/widget.js b/dist/widget.js
index 8fb7ef4da..20edc3924 100644
--- a/dist/widget.js
+++ b/dist/widget.js
@@ -7235,7 +7235,8 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             baseCls: "bi-multilayer-single-level-tree",
             isDefaultInit: false,
             items: [],
-            itemsCreator: BI.emptyFn
+            itemsCreator: BI.emptyFn,
+            chooseType: BI.Selection.Single
         });
     },
 
@@ -7314,7 +7315,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
 
             el: {
                 type: "bi.button_tree",
-                chooseType: BI.Selection.Single,
+                chooseType: o.chooseType,
                 layouts: [{
                     type: "bi.vertical"
                 }]
@@ -7332,7 +7333,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             element: this,
             scrollable: true,
             items: [this.tree]
-        })
+        });
     },
 
     populate: function (nodes) {
diff --git a/src/widget/multilayersingletree/multilayersingletree.leveltree.js b/src/widget/multilayersingletree/multilayersingletree.leveltree.js
index ba814fab0..dd168b385 100644
--- a/src/widget/multilayersingletree/multilayersingletree.leveltree.js
+++ b/src/widget/multilayersingletree/multilayersingletree.leveltree.js
@@ -10,7 +10,8 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             baseCls: "bi-multilayer-single-level-tree",
             isDefaultInit: false,
             items: [],
-            itemsCreator: BI.emptyFn
+            itemsCreator: BI.emptyFn,
+            chooseType: BI.Selection.Single
         });
     },
 
@@ -89,7 +90,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
 
             el: {
                 type: "bi.button_tree",
-                chooseType: BI.Selection.Single,
+                chooseType: o.chooseType,
                 layouts: [{
                     type: "bi.vertical"
                 }]
@@ -107,7 +108,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
             element: this,
             scrollable: true,
             items: [this.tree]
-        })
+        });
     },
 
     populate: function (nodes) {