diff --git a/packages/editor/src/editor/Canvas.tsx b/packages/editor/src/editor/Canvas.tsx
index fbe2b98..cc33eb0 100644
--- a/packages/editor/src/editor/Canvas.tsx
+++ b/packages/editor/src/editor/Canvas.tsx
@@ -142,13 +142,14 @@ export function Canvas(props: CanvasProps) {
     const additive =
       (e as React.MouseEvent).ctrlKey || (e as React.MouseEvent).metaKey || (e as React.MouseEvent).shiftKey;
 
-    const nextSelectionIds = targetId
+    const nextSelectionIdsRaw = targetId
       ? props.selectionIds.includes(targetId)
         ? props.selectionIds
         : additive
           ? [...props.selectionIds, targetId]
           : [targetId]
       : props.selectionIds;
+    const nextSelectionIds = Array.from(new Set(nextSelectionIdsRaw));
     const selectionKey = selectionKeyOf(nextSelectionIds);
 
     if (targetId) {
diff --git a/packages/editor/src/editor/EditorApp.tsx b/packages/editor/src/editor/EditorApp.tsx
index 18f6a35..9ef9a5c 100644
--- a/packages/editor/src/editor/EditorApp.tsx
+++ b/packages/editor/src/editor/EditorApp.tsx
@@ -582,11 +582,12 @@ export function EditorApp() {
                       e.preventDefault();
                       e.stopPropagation();
                       const additive = e.ctrlKey || e.metaKey || e.shiftKey;
-                      const nextSelectionIds = state.selection.ids.includes(node.id)
+                      const nextSelectionIdsRaw = state.selection.ids.includes(node.id)
                         ? state.selection.ids
                         : additive
                           ? [...state.selection.ids, node.id]
                           : [node.id];
+                      const nextSelectionIds = Array.from(new Set(nextSelectionIdsRaw));
                       const selectionKey = selectionKeyOf(nextSelectionIds);
                       if (!state.selection.ids.includes(node.id)) {
                         if (additive) {
diff --git a/packages/editor/src/editor/samples/goviewSamples.ts b/packages/editor/src/editor/samples/goviewSamples.ts
index 4b0fedb..fd52c8c 100644
--- a/packages/editor/src/editor/samples/goviewSamples.ts
+++ b/packages/editor/src/editor/samples/goviewSamples.ts
@@ -100,4 +100,32 @@ export const goViewSamples: GoViewSample[] = [
       ],
     }),
   },
+  {
+    id: 'goview-video-type-hint',
+    title: 'Video (type hint)',
+    subtitle: 'Media / mediaType + playbackUrl',
+    description: 'Type hint fields + playbackUrl for video detection.',
+    focusId: 'video_2',
+    json: prettyJson({
+      editCanvasConfig: { projectName: 'Sample: video type hint', width: 1920, height: 1080, background: '#0b1220' },
+      componentList: [
+        {
+          id: 'video_2',
+          chartConfig: { key: 'EmbedCommon' },
+          attr: { x: 260, y: 140, w: 960, h: 540 },
+          option: {
+            mediaType: 'video',
+            playbackUrl: 'https://www.w3schools.com/html/mov_bbb.mp4',
+            controls: true,
+          },
+        },
+        {
+          id: 'text_2',
+          chartConfig: { key: 'TextCommon' },
+          attr: { x: 260, y: 60, w: 760, h: 60 },
+          option: { text: 'goView Sample: video via type hint + playbackUrl' },
+        },
+      ],
+    }),
+  },
 ];
diff --git a/packages/sdk/src/core/widgets/iframe.ts b/packages/sdk/src/core/widgets/iframe.ts
index a1cd53d..843fdd4 100644
--- a/packages/sdk/src/core/widgets/iframe.ts
+++ b/packages/sdk/src/core/widgets/iframe.ts
@@ -13,10 +13,20 @@ export interface GoViewIframeOption {
   // common alternative shapes
   iframeUrl?: unknown;
   iframeSrc?: unknown;
+  iframe?: unknown;
   embedUrl?: unknown;
+  embedSrc?: unknown;
   frameUrl?: unknown;
   frameSrc?: unknown;
   webUrl?: unknown;
+  websiteUrl?: unknown;
+  siteUrl?: unknown;
+  openUrl?: unknown;
+  openURL?: unknown;
+  linkUrl?: unknown;
+  linkURL?: unknown;
+  targetUrl?: unknown;
+  targetURL?: unknown;
   webpageUrl?: unknown;
   pageUrl?: unknown;
   h5Url?: unknown;
@@ -188,6 +198,7 @@ function pickHtmlString(option: GoViewIframeOption): string | undefined {
         obj.html ??
         obj.htmlContent ??
         obj.htmlString ??
+        obj.iframe ??
         obj.embed ??
         obj.embedHtml ??
         obj.iframeHtml ??
@@ -209,10 +220,20 @@ function pickSrc(option: GoViewIframeOption): string {
     pickUrlLike({
       iframeUrl: option.iframeUrl,
       iframeSrc: option.iframeSrc,
+      iframe: option.iframe,
       embedUrl: option.embedUrl,
+      embedSrc: option.embedSrc,
       frameUrl: option.frameUrl,
       frameSrc: option.frameSrc,
       webUrl: option.webUrl,
+      websiteUrl: option.websiteUrl,
+      siteUrl: option.siteUrl,
+      openUrl: option.openUrl,
+      openURL: option.openURL,
+      linkUrl: option.linkUrl,
+      linkURL: option.linkURL,
+      targetUrl: option.targetUrl,
+      targetURL: option.targetURL,
       webpageUrl: option.webpageUrl,
       pageUrl: option.pageUrl,
       h5Url: option.h5Url,
diff --git a/packages/sdk/src/core/widgets/urlLike.ts b/packages/sdk/src/core/widgets/urlLike.ts
index 4eff40e..d1fac61 100644
--- a/packages/sdk/src/core/widgets/urlLike.ts
+++ b/packages/sdk/src/core/widgets/urlLike.ts
@@ -96,6 +96,18 @@ function pickUrlLikeInner(input: unknown, depth: number): string {
     'path',
     'source',
     'address',
+    'embedSrc',
+    'mediaUrl',
+    'mediaSrc',
+    'playbackUrl',
+    'playbackSrc',
+    'websiteUrl',
+    'siteUrl',
+    'openUrl',
+    'openURL',
+    'linkURL',
+    'targetUrl',
+    'targetURL',
 
     // snake_case aliases seen in some exporters
     'src_url',
@@ -110,6 +122,7 @@ function pickUrlLikeInner(input: unknown, depth: number): string {
     'pageUrl',
     'pageSrc',
     'page',
+    'webpageUrl',
     'documentUrl',
 
     // iframe-ish HTML-in-URL fields (handled by iframe widget converter)
diff --git a/packages/sdk/src/core/widgets/video.ts b/packages/sdk/src/core/widgets/video.ts
index 814207f..f1847b4 100644
--- a/packages/sdk/src/core/widgets/video.ts
+++ b/packages/sdk/src/core/widgets/video.ts
@@ -13,6 +13,10 @@ export interface GoViewVideoOption {
   // seen in some forks
   srcUrl?: unknown;
   sourceUrl?: unknown;
+  mediaUrl?: unknown;
+  mediaSrc?: unknown;
+  playbackUrl?: unknown;
+  playbackSrc?: unknown;
 
   // streaming-ish aliases
   webrtcUrl?: unknown;
@@ -29,6 +33,11 @@ export interface GoViewVideoOption {
   playList?: unknown;
   playlist?: unknown;
 
+  mediaType?: unknown;
+  contentType?: unknown;
+  playerType?: unknown;
+  streamType?: unknown;
+
   autoplay?: boolean;
   autoPlay?: boolean;
   isAutoPlay?: boolean;
@@ -222,6 +231,10 @@ function pickFirstUrlFromList(input: unknown): string {
     'cameraUrl',
     'cctvUrl',
     'monitorUrl',
+    'mediaUrl',
+    'mediaSrc',
+    'playbackUrl',
+    'playbackSrc',
     'src',
     'url',
     'value',
@@ -273,14 +286,18 @@ function pickSrc(option: GoViewVideoOption): string {
         // streaming/camera keys
         'rtsp',
         'rtmp',
-        'stream',
-        'streamUrl',
-        // generic fallbacks
-        'src',
-        'url',
-        'srcUrl',
-        'sourceUrl',
-        'value',
+    'stream',
+    'streamUrl',
+    // generic fallbacks
+    'src',
+    'url',
+    'mediaUrl',
+    'mediaSrc',
+    'playbackUrl',
+    'playbackSrc',
+    'srcUrl',
+    'sourceUrl',
+    'value',
         // sometimes low-code exports store <video> HTML under these fields
         'html',
         'htmlString',