diff --git a/frontend/src/app/workspace/component/left-panel/left-panel.component.scss b/frontend/src/app/workspace/component/left-panel/left-panel.component.scss
index 84d962936c9..045deb84208 100644
--- a/frontend/src/app/workspace/component/left-panel/left-panel.component.scss
+++ b/frontend/src/app/workspace/component/left-panel/left-panel.component.scss
@@ -30,6 +30,7 @@
   top: calc(-100% + 80px);
   left: 0;
   z-index: 3;
+  user-select: none;
   background: white;
 }
 
diff --git a/frontend/src/app/workspace/component/menu/menu.component.html b/frontend/src/app/workspace/component/menu/menu.component.html
index c1c8e8662c3..8b2fcd3513e 100644
--- a/frontend/src/app/workspace/component/menu/menu.component.html
+++ b/frontend/src/app/workspace/component/menu/menu.component.html
@@ -156,6 +156,7 @@
             nz-dropdown
             [nzDropdownMenu]="menu"
             [nzClickHide]="false"
+            nzOverlayClassName="layers-dropdown"
             nz-button
             title="Layers">
             <i
diff --git a/frontend/src/app/workspace/component/menu/menu.component.scss b/frontend/src/app/workspace/component/menu/menu.component.scss
index f1e2b1888fb..06c609969fc 100644
--- a/frontend/src/app/workspace/component/menu/menu.component.scss
+++ b/frontend/src/app/workspace/component/menu/menu.component.scss
@@ -171,3 +171,7 @@ texera-user-icon {
 texera-coeditor-user-icon {
   margin-left: -10px;
 }
+
+::ng-deep .layers-dropdown {
+  user-select: none;
+}
diff --git a/frontend/src/app/workspace/component/property-editor/property-editor.component.scss b/frontend/src/app/workspace/component/property-editor/property-editor.component.scss
index ed92f066448..3a319b4c4aa 100644
--- a/frontend/src/app/workspace/component/property-editor/property-editor.component.scss
+++ b/frontend/src/app/workspace/component/property-editor/property-editor.component.scss
@@ -29,6 +29,7 @@
   position: fixed;
   top: 10vh;
   right: 0;
+  user-select: none;
   background: white;
 }
 
diff --git a/frontend/src/app/workspace/component/result-panel/result-panel.component.scss b/frontend/src/app/workspace/component/result-panel/result-panel.component.scss
index 9dbdd63dd55..767fe729750 100644
--- a/frontend/src/app/workspace/component/result-panel/result-panel.component.scss
+++ b/frontend/src/app/workspace/component/result-panel/result-panel.component.scss
@@ -33,6 +33,7 @@
   position: absolute;
   top: -300px;
   left: 0;
+  user-select: none;
   background: white;
   border-radius: 5px;
   box-shadow:
diff --git a/frontend/src/app/workspace/component/workspace.component.scss b/frontend/src/app/workspace/component/workspace.component.scss
index a6698316fa8..a1eae3421e0 100644
--- a/frontend/src/app/workspace/component/workspace.component.scss
+++ b/frontend/src/app/workspace/component/workspace.component.scss
@@ -36,6 +36,7 @@ texera-mini-map {
   bottom: 0;
   right: 0;
   z-index: 3;
+  user-select: none;
 }
 
 texera-workflow-editor {
diff --git a/frontend/src/styles.scss b/frontend/src/styles.scss
index 7ed7614d177..0ef58d8c16b 100644
--- a/frontend/src/styles.scss
+++ b/frontend/src/styles.scss
@@ -19,7 +19,9 @@
 
 @import "@ali-hm/angular-tree-component/css/angular-tree-component.css";
 
-* {
+.ant-menu-item,
+.ant-menu-submenu-title,
+img {
   user-select: none;
 }