diff --git a/src/components/Login/index.less b/src/components/Login/index.less
index e0a984cd2aa20043d5599f4a98ea65afd31905ab..2894749b79a37bf658bb3f13d191613771204544 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 {