diff --git a/src/core/platform/web/jquery/fn.js b/src/core/platform/web/jquery/fn.js
index d484c0cea0..33584d8386 100644
--- a/src/core/platform/web/jquery/fn.js
+++ b/src/core/platform/web/jquery/fn.js
@@ -77,15 +77,7 @@ if (BI.jQuery) {
          * 3、text和py各自取tidx/pidx + keyword.length索引开始的子串作为新的text和py, 重复1, 直到text和py有一个为""
          */
         __textKeywordMarked__: function (text, keyword, py) {
-            if (text === null) {
-                if (BI.isIE9Below()) {
-                    return this.html("(null)");
-                }
-                // textContent性能更好,并且原生防xss
-                this[0].textContent = "(null)";
-                return this;
-            }
-            if (BI.isUndefined(text)) {
+            if (BI.isNull(text)) {
                 text = "";
             }
             if (!BI.isKey(keyword) || (text + "").length > 100) {
diff --git a/src/widget/multiselect/trigger/searcher.multiselect.insert.js b/src/widget/multiselect/trigger/searcher.multiselect.insert.js
index 3d6285222c..e055f86f8c 100644
--- a/src/widget/multiselect/trigger/searcher.multiselect.insert.js
+++ b/src/widget/multiselect/trigger/searcher.multiselect.insert.js
@@ -135,9 +135,9 @@ BI.MultiSelectInsertSearcher = BI.inherit(BI.Widget, {
                 var state = "";
                 BI.each(ob.assist, function (i, v) {
                     if (i === 0) {
-                        state += "" + (v === null ? "(null)" : (o.valueFormatter(v + "") || v));
+                        state += "" + (v === null ? "" : (o.valueFormatter(v + "") || v));
                     } else {
-                        state += "," + (v === null ? "(null)" : (o.valueFormatter(v + "") || v));
+                        state += "," + (v === null ? "" : (o.valueFormatter(v + "") || v));
                     }
                 });
                 this.editor.setState(state);
@@ -151,9 +151,9 @@ BI.MultiSelectInsertSearcher = BI.inherit(BI.Widget, {
                 var state = "";
                 BI.each(ob.value, function (i, v) {
                     if (i === 0) {
-                        state += "" + (v === null ? "(null)" : (o.valueFormatter(v + "") || v));
+                        state += "" + (v === null ? "" : (o.valueFormatter(v + "") || v));
                     } else {
-                        state += "," + (v === null ? "(null)" : (o.valueFormatter(v + "") || v));
+                        state += "," + (v === null ? "" : (o.valueFormatter(v + "") || v));
                     }
                 });
                 this.editor.setState(state);
diff --git a/src/widget/multiselect/trigger/searcher.multiselect.js b/src/widget/multiselect/trigger/searcher.multiselect.js
index d6c7e18f27..ec26ecccad 100644
--- a/src/widget/multiselect/trigger/searcher.multiselect.js
+++ b/src/widget/multiselect/trigger/searcher.multiselect.js
@@ -133,9 +133,9 @@ BI.MultiSelectSearcher = BI.inherit(BI.Widget, {
                 var state = "";
                 BI.each(ob.assist, function (i, v) {
                     if (i === 0) {
-                        state += "" + (v === null ? "(null)" : (o.valueFormatter(v + "") || v));
+                        state += "" + (v === null ? "" : (o.valueFormatter(v + "") || v));
                     } else {
-                        state += "," + (v === null ? "(null)" : (o.valueFormatter(v + "") || v));
+                        state += "," + (v === null ? "" : (o.valueFormatter(v + "") || v));
                     }
                 });
                 this.editor.setState(state);
@@ -149,9 +149,9 @@ BI.MultiSelectSearcher = BI.inherit(BI.Widget, {
                 var state = "";
                 BI.each(ob.value, function (i, v) {
                     if (i === 0) {
-                        state += "" + (v === null ? "(null)" : (o.valueFormatter(v + "") || v));
+                        state += "" + (v === null ? "" : (o.valueFormatter(v + "") || v));
                     } else {
-                        state += "," + (v === null ? "(null)" : (o.valueFormatter(v + "") || v));
+                        state += "," + (v === null ? "" : (o.valueFormatter(v + "") || v));
                     }
                 });
                 this.editor.setState(state);
diff --git a/src/widget/multitree/trigger/searcher.list.multi.tree.js b/src/widget/multitree/trigger/searcher.list.multi.tree.js
index 04cabb9694..2a8d9f4c53 100644
--- a/src/widget/multitree/trigger/searcher.list.multi.tree.js
+++ b/src/widget/multitree/trigger/searcher.list.multi.tree.js
@@ -122,7 +122,7 @@ BI.MultiListTreeSearcher = BI.inherit(BI.Widget, {
             var text = "";
             BI.each(ob.value, function (idx, path) {
                 var childValue = BI.last(path);
-                text += (path === "null" ? "(null)" : (o.valueFormatter(childValue + "") || childValue) + "; ");
+                text += (path === "null" ? "" : (o.valueFormatter(childValue + "") || childValue) + "; ");
                 count++;
             });
 
diff --git a/src/widget/multitree/trigger/searcher.multi.tree.js b/src/widget/multitree/trigger/searcher.multi.tree.js
index bd10a3be02..3f93473481 100644
--- a/src/widget/multitree/trigger/searcher.multi.tree.js
+++ b/src/widget/multitree/trigger/searcher.multi.tree.js
@@ -136,7 +136,7 @@ BI.MultiTreeSearcher = BI.inherit(BI.Widget, {
             var names = BI.Func.getSortedResult(BI.keys(value));
             BI.each(names, function (idx, name) {
                 var childNodes = getChildrenNode(value[name]);
-                text += (name === "null" ? "(null)" : (o.valueFormatter(name + "") || name)) + (childNodes === "" ? "" : (":" + childNodes)) + "; ";
+                text += (name === "null" ? "" : (o.valueFormatter(name + "") || name)) + (childNodes === "" ? "" : (":" + childNodes)) + "; ";
                 if (childNodes === "") {
                     count++;
                 }