diff --git a/HISTORY.md b/HISTORY.md
index fe7a1a8..bae2fd7 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -3,7 +3,7 @@ History
 
 0.4.10
 
-* `CHANGED` style changes: add max-width:250px to popover; move bg color form inner to content
+* `CHANGED` style change: move bg color form inner to content
 
 0.4.9
 ---
diff --git a/src/Tooltip.less b/src/Tooltip.less
index 12875c1..3a0f5c9 100644
--- a/src/Tooltip.less
+++ b/src/Tooltip.less
@@ -160,7 +160,7 @@
     border-radius: @global-border-radius;
     border: 1px solid @normal-alpha-6;
     background-color: #fff;
-    max-width: 250px;
+    // max-width: 320px;
   }
   &-inner {
     position: relative;