diff --git a/changelog.md b/changelog.md
index a00c12798..38b9c7fcd 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,6 @@
 # 更新日志
 2.0(2021-12)
+- BI.Msg.alert支持message传json格式
 - 支持BI.config(function(){})进行系统配置
 
 2.0(2021-11)
diff --git a/src/base/foundation/message.js b/src/base/foundation/message.js
index 0b9b174ce..54d66c8d7 100644
--- a/src/base/foundation/message.js
+++ b/src/base/foundation/message.js
@@ -164,7 +164,7 @@ BI.Msg = function () {
                                 height: 40
                             },
                             center: {
-                                el: {
+                                el: BI.isPlainObject(message) ? message : {
                                     type: "bi.label",
                                     vgap: 10,
                                     hgap: 20,