diff --git a/src/widget/multilayerselecttree/multilayerselecttree.combo.js b/src/widget/multilayerselecttree/multilayerselecttree.combo.js
index e57419376..4d6f3ddad 100644
--- a/src/widget/multilayerselecttree/multilayerselecttree.combo.js
+++ b/src/widget/multilayerselecttree/multilayerselecttree.combo.js
@@ -86,7 +86,7 @@ BI.MultiLayerSelectTreeCombo = BI.inherit(BI.Widget, {
                     }]
                 },
                 value: o.value,
-                minHeight: 400
+                maxHeight: 400
             }
         };
     },
diff --git a/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js b/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js
index 2c3b9a0dc..4141db1af 100644
--- a/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js
+++ b/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js
@@ -97,7 +97,7 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Widget, {
 
             el: {
                 type: "bi.loader",
-                isDefaultInit: true,
+                isDefaultInit: false,
                 chooseType: o.chooseType,
                 el: {
                     type: "bi.button_tree",
diff --git a/src/widget/multilayersingletree/multilayersingletree.combo.js b/src/widget/multilayersingletree/multilayersingletree.combo.js
index 0e7f51be0..024e5af2f 100644
--- a/src/widget/multilayersingletree/multilayersingletree.combo.js
+++ b/src/widget/multilayersingletree/multilayersingletree.combo.js
@@ -89,7 +89,7 @@ BI.MultiLayerSingleTreeCombo = BI.inherit(BI.Widget, {
                     }]
                 },
                 value: o.value,
-                minHeight: 400
+                maxHeight: 400
             }
         };
     },
diff --git a/src/widget/multilayersingletree/multilayersingletree.leveltree.js b/src/widget/multilayersingletree/multilayersingletree.leveltree.js
index f2d9ff1f4..dca444ba4 100644
--- a/src/widget/multilayersingletree/multilayersingletree.leveltree.js
+++ b/src/widget/multilayersingletree/multilayersingletree.leveltree.js
@@ -96,7 +96,7 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Widget, {
 
             el: {
                 type: "bi.loader",
-                isDefaultInit: true,
+                isDefaultInit: false,
                 chooseType: o.chooseType,
                 el: {
                     type: "bi.button_tree",