diff --git a/changelog.md b/changelog.md
index 4865f27b5..3a43f6b23 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,4 +1,7 @@
 # 更新日志
+2.0(2020-09)
+- bi.label支持多行文本溢出显示...(仅支持webkit内核)
+
 2.0(2020-08)
 - bi.sign_editor支持显示值居左/居中/居右显示
 - bi.iframe新增EVENT_LOADED事件
diff --git a/demo/js/base/demo.label.js b/demo/js/base/demo.label.js
index 0f5158f13..e9a69daf7 100644
--- a/demo/js/base/demo.label.js
+++ b/demo/js/base/demo.label.js
@@ -104,6 +104,14 @@ Demo.Label = BI.inherit(BI.Widget, {
                 textWidth: 200,
                 textHeight: 30,
                 height: 60
+            }, {
+                type: "bi.label",
+                cls: "layout-bg1",
+                text: "label设置了宽度, 并且设置了显示行数是2行, 无论输入多少文本，在允许换行的情况下只会显示2行，并在第二行结尾出现...",
+                textAlign: "left",
+                width: 300,
+                lineNumber: 2,
+                whiteSpace: "normal"
             }, {
                 type: "bi.left",
                 items: [{
diff --git a/src/base/single/label/label.js b/src/base/single/label/label.js
index 101fdeb3d..362083dc2 100644
--- a/src/base/single/label/label.js
+++ b/src/base/single/label/label.js
@@ -17,6 +17,7 @@ BI.Label = BI.inherit(BI.AbstractLabel, {
             textAlign: o.textAlign,
             whiteSpace: o.whiteSpace,
             lineHeight: o.textHeight,
+            lineNumber: o.lineNumber,
             text: o.text,
             value: o.value,
             py: o.py,
diff --git a/src/base/single/text.js b/src/base/single/text.js
index 823843bfc..2272fb15b 100644
--- a/src/base/single/text.js
+++ b/src/base/single/text.js
@@ -20,7 +20,8 @@
             bgap: 0,
             text: "",
             py: "",
-            highLight: false
+            highLight: false,
+            lineNumber: null,
         },
 
         render: function () {
@@ -54,12 +55,20 @@
             if (BI.isWidthOrHeight(o.maxWidth)) {
                 this.element.css({maxWidth: o.maxWidth});
             }
-            this.element.css({
+            var cssObj = {
                 textAlign: o.textAlign,
                 whiteSpace: this._getTextWrap(),
                 textOverflow: o.whiteSpace === "nowrap" ? "ellipsis" : "",
-                overflow: o.whiteSpace === "nowrap" ? "" : (BI.isWidthOrHeight(o.height) ? "auto" : "")
-            });
+                overflow: o.whiteSpace === "nowrap" ? "" : (BI.isWidthOrHeight(o.height) ? "auto" : ""),
+            };
+            if (BI.isNumber(o.lineNumber)) {
+                BI.extend(cssObj, {
+                    display: "-webkit-box",
+                    "-webkit-line-clamp": o.lineNumber + "",
+                    "-webkit-box-orient": "vertical",
+                });
+            }
+            this.element.css(cssObj);
             if (o.handler && o.handler !== BI.emptyFn) {
                 this.text = BI.createWidget({
                     type: "bi.layout",