diff --git a/components/popover/style/index.less b/components/popover/style/index.less
index 00a9fea77..ab507ff00 100644
--- a/components/popover/style/index.less
+++ b/components/popover/style/index.less
@@ -52,7 +52,6 @@
   }
 
   &-inner {
-    min-width: @popover-min-width;
     background-color: @popover-bg;
     background-clip: padding-box;
     border-radius: @border-radius-base;
@@ -60,6 +59,7 @@
   }
 
   &-title {
+    min-width: @popover-min-width;
     margin: 0; // reset heading margin
     padding: 0 16px;
     line-height: 32px;