diff --git a/src/managers/walk-control-manager.ts b/src/managers/walk-control-manager.ts
index 48634b6..dcee5e7 100644
--- a/src/managers/walk-control-manager.ts
+++ b/src/managers/walk-control-manager.ts
@@ -55,22 +55,30 @@ export class WalkControlManager extends BaseManager {
                 this.emit('walk:path-mode-toggle', { isActive });
             },
             onWalkModeToggle: (isActive) => {
-                console.log('[WalkControl] 漫游模式:', isActive);
+                console.log('[WalkControl] 第一人称漫游:', isActive);
                 if (isActive) {
                     this.pathManager?.hide();
+                    this.registry.engine3d?.activateFirstPersonMode();
+                } else {
+                    this.registry.engine3d?.deactivateFirstPersonMode();
                 }
                 this.emit('walk:walk-mode-toggle', { isActive });
             },
             onSpeedChange: (speed) => {
                 console.log('[WalkControl] 速度变化:', speed);
+                // 将 UI 速度值转换为引擎速度值（UI: 1-10, 引擎: 0.01-0.1）
+                const engineSpeed = speed * 0.01;
+                this.registry.engine3d?.setWalkSpeed(engineSpeed);
                 this.emit('walk:speed-change', { speed });
             },
             onGravityToggle: (enabled) => {
                 console.log('[WalkControl] 重力:', enabled);
+                this.registry.engine3d?.setWalkGravity(enabled);
                 this.emit('walk:gravity-toggle', { enabled });
             },
             onCollisionToggle: (enabled) => {
                 console.log('[WalkControl] 碰撞:', enabled);
+                this.registry.engine3d?.setWalkCollision(enabled);
                 this.emit('walk:collision-toggle', { enabled });
             },
             onCharacterModelChange: (model) => {