diff --git a/theme/dt-theme/default/input.less b/theme/dt-theme/default/input.less
index 2c7bce16..731c8fa5 100644
--- a/theme/dt-theme/default/input.less
+++ b/theme/dt-theme/default/input.less
@@ -35,4 +35,14 @@
             width: 48px;
         }
     }
+}
+.ant-btn-icon-only{
+    width: 32px;
+    background: none;
+    .anticon-search{
+        margin-left: 9px;
+    }
+}
+.ant-input-search > .ant-input-group > .ant-input-group-addon:last-child .ant-input-search-button:not(.ant-btn-primary){
+    border-left: solid 1px #D8DAE1;
 }
\ No newline at end of file