diff --git a/src/components/Login/index.less b/src/components/Login/index.less
index e0a984cd..2894749b 100644
--- a/src/components/Login/index.less
+++ b/src/components/Login/index.less
@@ -35,6 +35,7 @@
   .getCaptcha {
     display: block;
     width: 100%;
+    height: 42px;
   }
 
   .submit {