diff --git a/packages/dialog/index.less b/packages/dialog/index.less
index 0aa1a7046..864224230 100644
--- a/packages/dialog/index.less
+++ b/packages/dialog/index.less
@@ -32,6 +32,9 @@
     text-align: center;
     -webkit-overflow-scrolling: touch;
 
+    // allow newline charactor
+    white-space: pre-wrap;
+
     &--has-title {
       padding-top: 12px;
       color: @gray-darker;