diff --git a/packages/inline-dropdown/configure/src/inline-dropdown-toolbar.jsx b/packages/inline-dropdown/configure/src/inline-dropdown-toolbar.jsx
index 819568a3b9..1086263993 100644
--- a/packages/inline-dropdown/configure/src/inline-dropdown-toolbar.jsx
+++ b/packages/inline-dropdown/configure/src/inline-dropdown-toolbar.jsx
@@ -354,6 +354,7 @@ class RespAreaToolbar extends React.Component {
         style={{
           ...toolbarStyle,
           backgroundColor: '#E0E1E6',
+          zIndex: 1,
         }}
         onMouseDown={this.onClickInside}
       >