diff --git a/changelog.md b/changelog.md
index f4f928f8d..d64fa93f2 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,6 @@
 # 更新日志
 2.0(2020-11)
+- 限制了title的最大高度
 - bi.textarea_editor添加setWatermark方法
 - 生命周期可以通过属性传递来操作
 - 修复了颜色选择器hex框不能输入为空的问题
diff --git a/src/core/inject.js b/src/core/inject.js
index 89d0bd993..a549abf18 100644
--- a/src/core/inject.js
+++ b/src/core/inject.js
@@ -56,9 +56,12 @@
     };
 
     BI.Configs = BI.Configs || {
+        getConfigs: function () {
+            return configFunctions;
+        },
         getConfig: function (type) {
             return configFunctions[type];
-        }
+        },
     };
 
     var actions = {};
diff --git a/src/core/shortcut.js b/src/core/shortcut.js
index 204e498cc..1a6568662 100644
--- a/src/core/shortcut.js
+++ b/src/core/shortcut.js
@@ -35,10 +35,11 @@
     function configWidget (type) {
         var configFunctions = BI.Configs.getConfig(type);
         if (configFunctions) {
-            BI.each(configFunctions[type], function (i, cf) {
+            BI.each(configFunctions, function (i, cf) {
                 BI.Plugin.configWidget(type, cf.fn, cf.args);
             });
-            configFunctions[type] && (configFunctions[type] = null);
+            var configs = BI.Configs.getConfigs();
+            configs[type] && (configs[type] = null);
         }
     }
 
diff --git a/src/less/base/single/tip/tip.tooltip.less b/src/less/base/single/tip/tip.tooltip.less
index 3c9f1d07a..c9bfc3de9 100644
--- a/src/less/base/single/tip/tip.tooltip.less
+++ b/src/less/base/single/tip/tip.tooltip.less
@@ -2,6 +2,8 @@
 
 .bi-tooltip{
   max-width: 250px;
+  max-height: 450px;
+  .overflow-hidden() !important;
   .border-radius(2px);
   font-size: 12px;
   color: @color-bi-text;