diff --git a/changelog.md b/changelog.md
index 8c8bb9ba5..75f0e66b1 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,6 @@
 # 更新日志
 2.0(2021-07)
+- 支持BI.changeI18n动态换i18n方法
 - layout支持forceUpdate刷新方式
 - width属性支持calc()
 - 修改了颜色选择器交互
diff --git a/src/base/single/0.single.js b/src/base/single/0.single.js
index d6cd92f2c..e12c726d1 100644
--- a/src/base/single/0.single.js
+++ b/src/base/single/0.single.js
@@ -196,7 +196,8 @@ BI.Single = BI.inherit(BI.Widget, {
         return this.options.value;
     },
 
-    destroyed: function () {
+    __d: function () {
+        BI.Single.superclass.__d.call(this);
         if (BI.isNotNull(this.showTimeout)) {
             clearTimeout(this.showTimeout);
             this.showTimeout = null;
diff --git a/src/base/single/1.text.js b/src/base/single/1.text.js
index 125854873..65aa03712 100644
--- a/src/base/single/1.text.js
+++ b/src/base/single/1.text.js
@@ -45,13 +45,13 @@
                 });
             }
             if (BI.isWidthOrHeight(o.height)) {
-                this.element.css({ lineHeight: BI.isNumber(o.height) ? (o.height / BI.pixRatio + BI.pixUnit) : o.height });
+                this.element.css({lineHeight: BI.isNumber(o.height) ? (o.height / BI.pixRatio + BI.pixUnit) : o.height});
             }
             if (BI.isWidthOrHeight(o.lineHeight)) {
-                this.element.css({ lineHeight: BI.isNumber(o.lineHeight) ? (o.lineHeight / BI.pixRatio + BI.pixUnit) : o.lineHeight });
+                this.element.css({lineHeight: BI.isNumber(o.lineHeight) ? (o.lineHeight / BI.pixRatio + BI.pixUnit) : o.lineHeight});
             }
             if (BI.isWidthOrHeight(o.maxWidth)) {
-                this.element.css({ maxWidth: BI.isNumber(o.maxWidth) ? (o.maxWidth / BI.pixRatio + BI.pixUnit) : o.maxWidth });
+                this.element.css({maxWidth: BI.isNumber(o.maxWidth) ? (o.maxWidth / BI.pixRatio + BI.pixUnit) : o.maxWidth});
             }
             this.element.css({
                 textAlign: o.textAlign,
@@ -106,7 +106,9 @@
         _getShowText: function () {
             var o = this.options;
             var text = BI.isFunction(o.text) ? o.text() : o.text;
-
+            if (text && text.addWidget) {
+                text.addWidget(this);
+            }
             return BI.isKey(text) ? BI.Text.formatText(text + "") : text;
         },
 
@@ -152,6 +154,11 @@
             BI.Text.superclass.setText.apply(this, arguments);
             this.options.text = text;
             this._doRedMark(this.options.keyword);
+        },
+
+        __d: function () {
+            BI.Text.superclass.__d.call(this);
+            BI.i18nProvider.removeWidget(this);
         }
     });
     var formatters = [];
diff --git a/src/core/utils/i18n.js b/src/core/utils/i18n.js
index 23fd11600..f725ad666 100644
--- a/src/core/utils/i18n.js
+++ b/src/core/utils/i18n.js
@@ -1,6 +1,28 @@
 !(function () {
     var i18nStore = {};
+    var i18nWidgets = {};
     _.extend(BI, {
+        i18nProvider: {
+            addWidget: function (widget, i18n) {
+                if (!i18nWidgets[widget.getName()]) {
+                    i18nWidgets[widget.getName()] = i18n;
+                    i18n.widget = widget;
+                }
+            },
+            removeWidget: function (widget) {
+                if (i18nWidgets[widget.getName()]) {
+                    delete i18nWidgets[widget.getName()];
+                }
+            }
+        },
+        changeI18n: function (i18n) {
+            if (i18n) {
+                i18nStore = i18n;
+            }
+            BI.each(i18nWidgets, function (widgetName, i18n) {
+                i18n.widget.setText(BI.i18nText.apply(null, i18n.args));
+            });
+        },
         addI18n: function (i18n) {
             BI.extend(i18nStore, i18n);
         },
@@ -24,7 +46,18 @@
                     });
                 }
             }
-            return localeText;
+            return {
+                args: arguments,
+                addWidget: function (widget) {
+                    BI.i18nProvider.addWidget(widget, this);
+                },
+                valueOf: function () {
+                    return localeText;
+                },
+                toString: function () {
+                    return localeText;
+                }
+            };
         }
     });
-})();
\ No newline at end of file
+})();