diff --git a/Sources/SwiftBricks/Controls/VBoxControl.swift b/Sources/SwiftBricks/Controls/VBoxControl.swift
index 3b41721..6211443 100644
--- a/Sources/SwiftBricks/Controls/VBoxControl.swift
+++ b/Sources/SwiftBricks/Controls/VBoxControl.swift
@@ -13,7 +13,7 @@ struct VBoxControl: View {
             }
         }
         .padding(padding)
-        .frame(maxWidth: .infinity, alignment: .leading)
+        .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .leading)
         .background(backgroundColor)
         .cornerRadius(cornerRadius)
         .overlay(
@@ -71,7 +71,7 @@ struct HBoxControl: View {
             }
         }
         .padding(padding)
-        .frame(maxWidth: .infinity, alignment: .leading)
+        .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .leading)
         .background(backgroundColor)
         .cornerRadius(8)
     }
diff --git a/Sources/SwiftBricks/Controls/VideoPlayerControl.swift b/Sources/SwiftBricks/Controls/VideoPlayerControl.swift
index 78c1b9c..fe0b5fb 100644
--- a/Sources/SwiftBricks/Controls/VideoPlayerControl.swift
+++ b/Sources/SwiftBricks/Controls/VideoPlayerControl.swift
@@ -51,10 +51,7 @@ struct VideoPlayerControl: View {
     #if os(macOS)
     private var macOSPlayerView: some View {
         VideoPlayerView(player: player)
-            .frame(
-                width: resolveWidth(schema.options),
-                height: resolveHeight(schema.options)
-            )
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
     }
     
     private struct VideoPlayerView: NSViewRepresentable {
@@ -76,10 +73,7 @@ struct VideoPlayerControl: View {
     #else
     private var iOSPlayerView: some View {
         VideoPlayer(player: player)
-            .frame(
-                width: resolveWidth(schema.options),
-                height: resolveHeight(schema.options)
-            )
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
     }
     #endif
     
diff --git a/Sources/SwiftBricks/Renderer/ControlRenderer.swift b/Sources/SwiftBricks/Renderer/ControlRenderer.swift
index 71f28ce..c86ca58 100644
--- a/Sources/SwiftBricks/Renderer/ControlRenderer.swift
+++ b/Sources/SwiftBricks/Renderer/ControlRenderer.swift
@@ -12,12 +12,14 @@ public struct ControlRenderer: View {
     }
     
     public var body: some View {
+        let pctHeight = parsePercentHeight(schema.options.height)
         renderWidget(schema)
             .frame(
                 maxWidth: resolveWidth(schema.options),
-                maxHeight: resolveHeight(schema.options),
+                maxHeight: pctHeight != nil ? .infinity : resolveHeight(schema.options),
                 alignment: resolveAlignment(schema.options)
             )
+            .layoutPriority(pctHeight ?? 0)
     }
     
     // MARK: - Widget分发
@@ -154,6 +156,11 @@ public struct ControlRenderer: View {
         }
     }
     
+    private func parsePercentHeight(_ h: String?) -> Double? {
+        guard let h = h, h.hasSuffix("%"), let val = Double(h.dropLast()) else { return nil }
+        return val > 0 ? val : nil
+    }
+    
     private func parsePixels(_ str: String) -> CGFloat? {
         let cleaned = str.replacingOccurrences(of: "px", with: "")
         return CGFloat(Double(cleaned) ?? 0)