diff --git a/src/base/single/__test__/text.test.js b/src/base/single/__test__/text.test.js
index a2a774d2a3..0aa659ac62 100644
--- a/src/base/single/__test__/text.test.js
+++ b/src/base/single/__test__/text.test.js
@@ -117,7 +117,7 @@ describe("TextTest", function () {
             type: "bi.text",
             text: "我是要标红的 A",
         });
-        expect(text.element.text()).to.equal("我是要标红的 A");
+        expect(text.element.text()).to.equal("我是要标红的 A");
         text.destroy();
     });
 
diff --git a/src/base/tree/ztree/list/listtreeview.js b/src/base/tree/ztree/list/listtreeview.js
index 1cf634dd91..dd9a1f8c87 100644
--- a/src/base/tree/ztree/list/listtreeview.js
+++ b/src/base/tree/ztree/list/listtreeview.js
@@ -12,7 +12,9 @@ BI.ListTreeView = BI.inherit(BI.TreeView, {
     },
 
     _defaultConfig: function () {
-        return BI.extend(BI.ListTreeView.superclass._defaultConfig.apply(this, arguments), {});
+        return BI.extend(BI.ListTreeView.superclass._defaultConfig.apply(this, arguments), {
+            value: {}
+        });
     },
     _init: function () {
         BI.ListTreeView.superclass._init.apply(this, arguments);
diff --git a/src/case/loader/__test__/loader.lazy.test.js b/src/case/loader/__test__/loader.lazy.test.js
new file mode 100644
index 0000000000..7f8f8205f6
--- /dev/null
+++ b/src/case/loader/__test__/loader.lazy.test.js
@@ -0,0 +1,49 @@
+/**
+ * @author windy
+ * @version 2.0
+ * Created by windy on 2020/4/3
+ */
+
+describe("lazy_loader", function () {
+
+    /**
+     *   test_author_windy
+     **/
+    it("setValue", function () {
+        var items = BI.map(BI.range(0, 100), function (idx, v) {
+            return {
+                type: "bi.single_select_item",
+                text: v,
+                value: v
+            }
+        });
+        var widget = BI.Test.createWidget({
+            type: "bi.lazy_loader",
+            el: {
+                layouts: [{
+                    type: "bi.left",
+                    hgap: 5
+                }]
+            }
+        });
+        widget.populate(items);
+        expect(widget.getAllButtons().length).to.equal(100);
+        widget.addItems([{
+            type: "bi.single_select_item",
+            text: 102,
+            value: 102
+        }, {
+            type: "bi.single_select_item",
+            text: 103,
+            value: 103
+        }]);
+        expect(widget.getAllLeaves().length).to.equal(102);
+        widget.setValue(102);
+        expect(widget.getValue()[0]).to.equal(102);
+        expect(widget.getSelectedButtons().length).to.equal(1);
+        widget.setNotSelectedValue(102);
+        expect(widget.getNotSelectedValue()[0]).to.equal(102);
+        expect(widget.getNotSelectedButtons().length).to.equal(1);
+        widget.destroy();
+    });
+});
\ No newline at end of file
diff --git a/src/case/loader/loader.lazy.js b/src/case/loader/loader.lazy.js
index 5096411482..3399400772 100644
--- a/src/case/loader/loader.lazy.js
+++ b/src/case/loader/loader.lazy.js
@@ -8,7 +8,8 @@ BI.LazyLoader = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.LazyLoader.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-lazy-loader",
-            el: {}
+            el: {},
+            items: []
         });
     },
 
diff --git a/src/core/__test__/alias.test.js b/src/core/__test__/alias.test.js
index d2b18b6abc..51297986d8 100644
--- a/src/core/__test__/alias.test.js
+++ b/src/core/__test__/alias.test.js
@@ -18,7 +18,7 @@ describe("aliasFunctionTest", function () {
 
         var targetString = "<a>1 2&</a>";
         var encodeString = BI.htmlEncode(targetString);
-        expect(encodeString).to.equal("&lt;a&gt;1&nbsp;2&amp;&lt;/a&gt;");
+        expect(encodeString).to.equal("&lt;a&gt;1 2&amp;&lt;/a&gt;");
         expect(BI.htmlDecode(encodeString)).to.equal(targetString);
     });
 
diff --git a/src/widget/datetime/__test__/datetime.test.js b/src/widget/datetime/__test__/datetime.test.js
index 091419604e..ac01dc2c90 100644
--- a/src/widget/datetime/__test__/datetime.test.js
+++ b/src/widget/datetime/__test__/datetime.test.js
@@ -28,7 +28,7 @@ describe("DateTime", function () {
                 second: 12
             }
         });
-        expect(dateCombo.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-02-23 12:12:12");
+        expect(dateCombo.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-02-23 12:12:12");
         dateCombo.destroy();
     });
 
@@ -51,7 +51,7 @@ describe("DateTime", function () {
         BI.nextTick(function () {
             dateCombo.element.find(".bi-calendar:visible .bi-list-item-select :contains(16)").parent().click();
             dateCombo.element.find(".bi-date-time-popup .bi-text:contains(确定)").parent().click();
-            expect(dateCombo.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-02-16 12:12:12");
+            expect(dateCombo.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-02-16 12:12:12");
             dateCombo.destroy();
             done();
         })
@@ -77,7 +77,7 @@ describe("DateTime", function () {
         BI.nextTick(function () {
             dateCombo.element.find(".bi-calendar:visible .bi-list-item-select :contains(16)").parent().click();
             dateCombo.element.find(".bi-date-time-popup .bi-text:contains(取消)").parent().click();
-            expect(dateCombo.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-02-23 12:12:12");
+            expect(dateCombo.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-02-23 12:12:12");
             dateCombo.destroy();
             done();
         })
diff --git a/src/widget/dynamicdatetime/__test__/dynamicdatetime.test.js b/src/widget/dynamicdatetime/__test__/dynamicdatetime.test.js
index a119186554..acfc0ac520 100644
--- a/src/widget/dynamicdatetime/__test__/dynamicdatetime.test.js
+++ b/src/widget/dynamicdatetime/__test__/dynamicdatetime.test.js
@@ -32,7 +32,7 @@ describe("DateTimeCombo", function () {
             }
         });
         BI.nextTick(function () {
-            expect(dateCombo.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-02-23 12:12:12");
+            expect(dateCombo.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-02-23 12:12:12");
             dateCombo.destroy();
             done();
         })
@@ -318,7 +318,7 @@ describe("DateTimeCombo", function () {
                 input.val("2017-1-1");
                 BI.Test.triggerKeyDown(dateCombo.element.find(".bi-date-time-trigger .bi-input"), null, BI.KeyCode.ENTER, function () {
                     BI.delay(function () {
-                        expect(dateCombo.element.find(".bi-date-time-trigger .bi-text-button").text()).to.equal("2017-01-01 00:00:00");
+                        expect(dateCombo.element.find(".bi-date-time-trigger .bi-text-button").text()).to.equal("2017-01-01 00:00:00");
                         dateCombo.destroy();
                         done();
                     }, 300);
diff --git a/src/widget/timeinterval/__test__/timeinterval.test.js b/src/widget/timeinterval/__test__/timeinterval.test.js
index c93714c537..4ab9225a16 100644
--- a/src/widget/timeinterval/__test__/timeinterval.test.js
+++ b/src/widget/timeinterval/__test__/timeinterval.test.js
@@ -61,7 +61,7 @@ describe("DateInterval", function () {
                 }
             },
         });
-        expect(dateInterval.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-01-12 10:10:102019-01-01 00:00:00");
+        expect(dateInterval.element.find(".bi-date-time-trigger .bi-label").text()).to.equal("2018-01-12 10:10:102019-01-01 00:00:00");
         dateInterval.destroy();
     });