diff --git a/sec-beidou/src/main/resources/templates/page/device_overview.html b/sec-beidou/src/main/resources/templates/page/device_overview.html
index 9ab39184..615edcfe 100644
--- a/sec-beidou/src/main/resources/templates/page/device_overview.html
+++ b/sec-beidou/src/main/resources/templates/page/device_overview.html
@@ -34,9 +34,9 @@
         .btn-wrap {
             z-index: 999;
             position: fixed;
-            bottom: 3.5rem;
-            margin-left: 3rem;
-            padding: 1rem 1rem;
+            bottom: 2rem;
+            margin-left: 1rem;
+            padding: .5rem .5rem;
             border-radius: .25rem;
             background-color: #fff;
             box-shadow: 0 2px 6px 0 rgba(27, 142, 236, 0.5);