diff --git a/packages/dialog/index.less b/packages/dialog/index.less
index 3cb7180d..84799352 100644
--- a/packages/dialog/index.less
+++ b/packages/dialog/index.less
@@ -62,6 +62,10 @@
     &--right {
       text-align: right;
     }
+
+    &--justify {
+      text-align: justify;
+    }
   }
 
   &__footer {