diff --git a/packages/editor/src/editor/ContextMenu.tsx b/packages/editor/src/editor/ContextMenu.tsx
index 8bee67b..7a41f47 100644
--- a/packages/editor/src/editor/ContextMenu.tsx
+++ b/packages/editor/src/editor/ContextMenu.tsx
@@ -16,6 +16,7 @@ export function ContextMenu(props: {
   selectionAllHidden: boolean;
   onClose: () => void;
   onAddTextAt: (x: number, y: number) => void;
+  onSelectSingle?: (id?: string) => void;
   onDuplicateSelected?: () => void;
   onToggleLockSelected?: () => void;
   onToggleHideSelected?: () => void;
@@ -83,6 +84,9 @@ export function ContextMenu(props: {
   if (!ctx || !position) return null;
 
   const hasSelection = props.selectionIds.length > 0;
+  const hasTarget = !!ctx.targetId;
+  const targetInSelection = !!ctx.targetId && props.selectionIds.includes(ctx.targetId);
+  const canSelectSingle = !!props.onSelectSingle;
 
   return (
     <div
@@ -112,6 +116,26 @@ export function ContextMenu(props: {
         }}
       />
 
+      {canSelectSingle && hasTarget && targetInSelection && props.selectionIds.length > 1 ? (
+        <MenuItem
+          label="Select Only"
+          onClick={() => {
+            props.onSelectSingle?.(ctx.targetId);
+            onClose();
+          }}
+        />
+      ) : null}
+
+      {canSelectSingle && !hasTarget && hasSelection ? (
+        <MenuItem
+          label="Clear Selection"
+          onClick={() => {
+            props.onSelectSingle?.(undefined);
+            onClose();
+          }}
+        />
+      ) : null}
+
       <div style={{ height: 1, margin: '6px 0', background: 'rgba(255,255,255,0.08)' }} />
 
       <MenuItem
diff --git a/packages/editor/src/editor/EditorApp.tsx b/packages/editor/src/editor/EditorApp.tsx
index e9fa216..9fa1697 100644
--- a/packages/editor/src/editor/EditorApp.tsx
+++ b/packages/editor/src/editor/EditorApp.tsx
@@ -504,6 +504,7 @@ export function EditorApp() {
         selectionAllHidden={selectionAllHidden}
         onClose={closeContextMenu}
         onAddTextAt={(x, y) => dispatch({ type: 'addTextAt', x, y })}
+        onSelectSingle={(id) => dispatch({ type: 'selectSingle', id })}
         onDuplicateSelected={() => dispatch({ type: 'duplicateSelected' })}
         onToggleLockSelected={() => dispatch({ type: 'toggleLockSelected' })}
         onToggleHideSelected={() => dispatch({ type: 'toggleHideSelected' })}
diff --git a/packages/sdk/src/core/goview/convert.ts b/packages/sdk/src/core/goview/convert.ts
index 8b6a2a7..022d56d 100644
--- a/packages/sdk/src/core/goview/convert.ts
+++ b/packages/sdk/src/core/goview/convert.ts
@@ -115,12 +115,18 @@ function isIframe(c: GoViewComponentLike): boolean {
   if (k === 'iframe' || k.includes('iframe')) return true;
 
   // Other names seen in low-code editors for embedded web content.
+  // Keep this fairly conservative; video/image are handled separately.
   return (
     k.includes('embed') ||
     k.includes('webview') ||
     k.includes('html') ||
     k.includes('browser') ||
     k.includes('webpage') ||
+    k.includes('website') ||
+    // Chinese low-code widgets sometimes call this H5.
+    k === 'h5' ||
+    k.includes('h5_') ||
+    k.includes('_h5') ||
     // keep the plain 'web' check last; it's broad and may overlap other widgets.
     k === 'web' ||
     k.endsWith('_web') ||
@@ -149,6 +155,11 @@ function isVideo(c: GoViewComponentLike): boolean {
     k.includes('mp4') ||
     k.includes('media') ||
     k.includes('player') ||
+    // player implementation names frequently used in low-code widgets
+    k.includes('flvjs') ||
+    k.includes('hlsjs') ||
+    k.includes('dplayer') ||
+    k.includes('vlc') ||
     k.includes('stream') ||
     k.includes('rtsp') ||
     k.includes('rtmp') ||