diff --git a/src/password-input/index.less b/src/password-input/index.less
index 14a2f00e8..b7ded60ba 100644
--- a/src/password-input/index.less
+++ b/src/password-input/index.less
@@ -32,11 +32,13 @@
 
     li {
       position: relative;
+      display: flex;
       flex: 1;
+      align-items: center;
+      justify-content: center;
       height: 100%;
       font-size: @password-input-font-size;
-      line-height: @password-input-height;
-      text-align: center;
+      line-height: 1.2;
       background-color: @password-input-background-color;
     }