diff --git a/dist/2.0/fineui.ie.js b/dist/2.0/fineui.ie.js
index 14df704ef..f682f3977 100644
--- a/dist/2.0/fineui.ie.js
+++ b/dist/2.0/fineui.ie.js
@@ -11391,7 +11391,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
@@ -68909,7 +68909,9 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+            this.storeValue : BI.isNull(this.storeValue) ?
+                [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -69030,6 +69032,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
@@ -69884,7 +69887,9 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+                    this.storeValue : BI.isNull(this.storeValue) ?
+                        [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -70005,6 +70010,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
diff --git a/dist/2.0/fineui.js b/dist/2.0/fineui.js
index 0d564ec9a..2333664b9 100644
--- a/dist/2.0/fineui.js
+++ b/dist/2.0/fineui.js
@@ -11391,7 +11391,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
@@ -69313,7 +69313,9 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+            this.storeValue : BI.isNull(this.storeValue) ?
+                [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -69434,6 +69436,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
@@ -70288,7 +70291,9 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+                    this.storeValue : BI.isNull(this.storeValue) ?
+                        [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -70409,6 +70414,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
diff --git a/dist/bundle.ie.js b/dist/bundle.ie.js
index 14df704ef..f682f3977 100644
--- a/dist/bundle.ie.js
+++ b/dist/bundle.ie.js
@@ -11391,7 +11391,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
@@ -68909,7 +68909,9 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+            this.storeValue : BI.isNull(this.storeValue) ?
+                [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -69030,6 +69032,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
@@ -69884,7 +69887,9 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+                    this.storeValue : BI.isNull(this.storeValue) ?
+                        [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -70005,6 +70010,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
diff --git a/dist/bundle.js b/dist/bundle.js
index 0d564ec9a..2333664b9 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -11391,7 +11391,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
@@ -69313,7 +69313,9 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+            this.storeValue : BI.isNull(this.storeValue) ?
+                [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -69434,6 +69436,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
@@ -70288,7 +70291,9 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+                    this.storeValue : BI.isNull(this.storeValue) ?
+                        [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -70409,6 +70414,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
diff --git a/dist/core.js b/dist/core.js
index 286e4994c..1147c8e75 100644
--- a/dist/core.js
+++ b/dist/core.js
@@ -11391,7 +11391,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
diff --git a/dist/fineui.ie.js b/dist/fineui.ie.js
index fc4c61411..f94e6c653 100644
--- a/dist/fineui.ie.js
+++ b/dist/fineui.ie.js
@@ -11636,7 +11636,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
@@ -69154,7 +69154,9 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+            this.storeValue : BI.isNull(this.storeValue) ?
+                [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -69275,6 +69277,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
@@ -70129,7 +70132,9 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+                    this.storeValue : BI.isNull(this.storeValue) ?
+                        [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -70250,6 +70255,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
diff --git a/dist/fineui.js b/dist/fineui.js
index c3e505cda..23b49c538 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -11636,7 +11636,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
@@ -69558,7 +69558,9 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+            this.storeValue : BI.isNull(this.storeValue) ?
+                [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -69679,6 +69681,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
@@ -70533,7 +70536,9 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+                    this.storeValue : BI.isNull(this.storeValue) ?
+                        [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -70654,6 +70659,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
diff --git a/dist/fineui_without_jquery_polyfill.js b/dist/fineui_without_jquery_polyfill.js
index b033c8ba8..2f3f2797a 100644
--- a/dist/fineui_without_jquery_polyfill.js
+++ b/dist/fineui_without_jquery_polyfill.js
@@ -11391,7 +11391,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
@@ -52164,7 +52164,9 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+            this.storeValue : BI.isNull(this.storeValue) ?
+                [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -52285,6 +52287,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
@@ -53139,7 +53142,9 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+                    this.storeValue : BI.isNull(this.storeValue) ?
+                        [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -53260,6 +53265,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
diff --git a/dist/utils.js b/dist/utils.js
index 758bc8b63..f45f436e5 100644
--- a/dist/utils.js
+++ b/dist/utils.js
@@ -12170,7 +12170,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
diff --git a/dist/widget.js b/dist/widget.js
index 6ec64b18f..7c504257b 100644
--- a/dist/widget.js
+++ b/dist/widget.js
@@ -6976,7 +6976,9 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+            this.storeValue : BI.isNull(this.storeValue) ?
+                [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -7097,6 +7099,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
@@ -7951,7 +7954,9 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+                    this.storeValue : BI.isNull(this.storeValue) ?
+                        [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
@@ -8072,6 +8077,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
diff --git a/src/core/base.js b/src/core/base.js
index 1ea3bf25b..b61508040 100644
--- a/src/core/base.js
+++ b/src/core/base.js
@@ -1212,7 +1212,7 @@ if (!_global.BI) {
             if (BI.isNotNull(BI.timeZone) && (arguments.length === 0 || (arguments.length === 1 && BI.isNumber(arguments[0])))) {
                 var localTime = dt.getTime();
                 // BI-33791 1901年以前的东8区标准是GMT+0805, 统一无论是什么时间，都以整的0800这样的为基准
-                var localOffset = new Date().getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
+                var localOffset = dt.getTimezoneOffset() * 60000; // 获得当地时间偏移的毫秒数
                 var utc = localTime + localOffset; // utc即GMT时间标准时区
                 return new Date(utc + BI.timeZone);// + Pool.timeZone.offset);
             }
diff --git a/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js b/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js
index 9309de5ae..79705505c 100644
--- a/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js
+++ b/src/widget/multilayerselecttree/multilayerselecttree.leveltree.js
@@ -159,7 +159,9 @@ BI.MultiLayerSelectLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+            this.storeValue : BI.isNull(this.storeValue) ?
+                [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
diff --git a/src/widget/multilayerselecttree/multilayerselecttree.trigger.js b/src/widget/multilayerselecttree/multilayerselecttree.trigger.js
index 72bc3c97e..c953bed7f 100644
--- a/src/widget/multilayerselecttree/multilayerselecttree.trigger.js
+++ b/src/widget/multilayerselecttree/multilayerselecttree.trigger.js
@@ -34,6 +34,7 @@ BI.MultiLayerSelectTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {
diff --git a/src/widget/multilayersingletree/multilayersingletree.leveltree.js b/src/widget/multilayersingletree/multilayersingletree.leveltree.js
index 0de4d5a54..ae11c36b6 100644
--- a/src/widget/multilayersingletree/multilayersingletree.leveltree.js
+++ b/src/widget/multilayersingletree/multilayersingletree.leveltree.js
@@ -158,7 +158,9 @@ BI.MultiLayerSingleLevelTree = BI.inherit(BI.Pane, {
     },
 
     getValue: function () {
-        return BI.isArray(this.storeValue) ? this.storeValue : [this.storeValue];
+        return BI.isArray(this.storeValue) ?
+                    this.storeValue : BI.isNull(this.storeValue) ?
+                        [] : [this.storeValue];
     },
 
     getAllLeaves: function () {
diff --git a/src/widget/multilayersingletree/multilayersingletree.trigger.js b/src/widget/multilayersingletree/multilayersingletree.trigger.js
index a1ee9e257..46a2a219f 100644
--- a/src/widget/multilayersingletree/multilayersingletree.trigger.js
+++ b/src/widget/multilayersingletree/multilayersingletree.trigger.js
@@ -34,6 +34,7 @@ BI.MultiLayerSingleTreeTrigger = BI.inherit(BI.Trigger, {
                             value: o.value,
                             height: o.height,
                             tipText: "",
+                            watermark: BI.i18nText("BI-Basic_Search"),
                             listeners: [{
                                 eventName: BI.StateEditor.EVENT_FOCUS,
                                 action: function () {