diff --git a/dashboards/g_force/index.html b/dashboards/g_force/index.html
new file mode 100644
index 0000000..ef7d2e4
--- /dev/null
+++ b/dashboards/g_force/index.html
@@ -0,0 +1,90 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+<meta charset="UTF-8">
+<meta name="viewport" content="width=device-width,initial-scale=1.0,viewport-fit=cover">
+<title>TurboSu - G力</title>
+<style>
+*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
+html,body{width:100%;height:100%;overflow:hidden;background:#0a0a0f;color:#fff;
+  font-family:'SF Pro Display',-apple-system,system-ui,sans-serif}
+#root{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
+#box{position:relative;overflow:hidden}
+#box.contain{max-width:100vw;max-height:100vh}
+#box.cover{min-width:100vw;min-height:100vh}
+#box.fill{width:100vw;height:100vh}
+#content{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#0a0a0f}
+canvas{width:100%;height:100%}
+</style>
+</head>
+<body>
+<div id="root"><div id="box" class="contain"><div id="content"><canvas id="g-canvas"></canvas></div></div></div>
+<script>
+const M={aspect_ratio:"1:1",render_mode:"contain"};
+(function(){
+ const box=document.getElementById('box'),canvas=document.getElementById('g-canvas');
+ const ctx=canvas.getContext('2d');
+ const proto=location.protocol==='https:'?'wss:':'ws:',wsUrl=proto+'//'+location.host+'/ws';
+ let ws,rt,ax=0,ay=0,az=0;
+
+ function pr(r){if(!r||r==='auto')return null;const p=r.split(':');if(p.length===2)return +p[0]/+p[1]}
+
+ function apply(){
+  const rt=pr(M.aspect_ratio||'1:1'),md=M.render_mode||'contain';
+  if(!rt){box.style.width='100vw';box.style.height='100vh';box.className='fill';return}
+  const vw=window.innerWidth,vh=window.innerHeight,vr=vw/vh;let cw,ch;
+  if(md==='cover'){cw=vw;ch=vw/rt;box.className='cover'}
+  else{box.className='contain';cw=vr>rt?vh*rt:vw;ch=vr>rt?vh:vw/rt}
+  box.style.width=cw+'px';box.style.height=ch+'px';draw()
+ }
+
+ function sz(){const r=canvas.parentElement.getBoundingClientRect(),d=window.devicePixelRatio||1;canvas.width=r.width*d;canvas.height=r.height*d;canvas.style.width=r.width+'px';canvas.style.height=r.height+'px';ctx.setTransform(d,0,0,d,0,0)}
+
+ function draw(){
+  sz();const W=canvas.width/devicePixelRatio,H=canvas.height/devicePixelRatio,dpr=window.devicePixelRatio||1;
+  ctx.clearRect(0,0,W,H);
+  const cx=W/2,cy=H/2,r=Math.min(W,H)*.38;
+  const G=9.81,limit=2.0;
+
+  // outer ring
+  ctx.beginPath();ctx.arc(cx,cy,r,0,Math.PI*2);ctx.strokeStyle='rgba(255,255,255,.1)';ctx.lineWidth=2;ctx.stroke();
+  // crosshairs
+  ctx.beginPath();ctx.moveTo(cx-r,cy);ctx.lineTo(cx+r,cy);ctx.moveTo(cx,cy-r);ctx.lineTo(cx,cy+r);ctx.strokeStyle='rgba(255,255,255,.06)';ctx.lineWidth=1;ctx.stroke();
+  // 1G ring
+  ctx.beginPath();ctx.arc(cx,cy,r/limit,0,Math.PI*2);ctx.setLineDash([4,8]);ctx.strokeStyle='rgba(255,255,255,.08)';ctx.lineWidth=1;ctx.stroke();ctx.setLineDash([]);
+
+  // G dot
+  const x=Math.max(-limit,Math.min(limit,ax/G)),y=Math.max(-limit,Math.min(limit,-ay/G));
+  const dx=cx+(x/limit)*r,dy=cy+(y/limit)*r;
+  ctx.beginPath();ctx.arc(dx,dy,Math.max(6,r/25),0,Math.PI*2);
+  const i=Math.sqrt(x*x+y*y)/limit;
+  const rc=Math.round(55+i*200),gc=Math.round(130-i*130),bc=Math.round(255-i*200);
+  ctx.fillStyle=`rgb(${rc},${gc},${bc})`;ctx.fill();
+  ctx.strokeStyle='rgba(255,255,255,.5)';ctx.lineWidth=1.5;ctx.stroke();
+
+  // trail
+  ctx.beginPath();
+  for(let t=0;t<8;t++){
+   const tx=Math.max(-limit,Math.min(limit,(ax-t*.3)/G)),ty=Math.max(-limit,Math.min(limit,(-ay-t*.3)/G));
+   const px=cx+(tx/limit)*r*.7,py=cy+(ty/limit)*r*.7;
+   t===0?ctx.moveTo(px,py):ctx.lineTo(px,py);
+  }
+  ctx.strokeStyle='rgba(255,255,255,.04)';ctx.lineWidth=1;ctx.stroke();
+
+  // numbers
+  ctx.fillStyle='rgba(255,255,255,.25)';ctx.font=`${Math.max(14,W/40)|0}px sans-serif`;ctx.textAlign='center';
+  ctx.fillText('Lat ' + (ax/G).toFixed(2) + 'G', cx, cy-r-20);
+  ctx.fillText('Long ' + (-ay/G).toFixed(2) + 'G', cx, cy+r+30);
+  ctx.fillText('L', cx-r-14, cy+4);ctx.fillText('R', cx+r+14, cy+4);
+  ctx.fillText('B', cx, cy-r-4);ctx.fillText('F', cx, cy+r+18);
+ }
+
+ function cn(){ws=new WebSocket(wsUrl);ws.onopen=()=>{if(rt){clearTimeout(rt);rt=null}}
+  ws.onmessage=(e)=>{try{const m=JSON.parse(e.data);if(m.type==='telemetry'){ax=m.data.acceleration_x||0;ay=m.data.acceleration_y||0;az=m.data.acceleration_z||0;draw()}}catch(e){}}
+  ws.onclose=()=>{rt=setTimeout(cn,2000)}}
+
+ apply();window.addEventListener('resize',()=>{apply()});cn()
+})();
+</script>
+</body>
+</html>
diff --git a/dashboards/g_force/manifest.json b/dashboards/g_force/manifest.json
new file mode 100644
index 0000000..e0809c4
--- /dev/null
+++ b/dashboards/g_force/manifest.json
@@ -0,0 +1,14 @@
+{
+    "id": "g_force",
+    "name": "G 力圆图",
+    "category": "physics",
+    "description": "加速度向量实时可视化，圆心偏移表示纵向/横向G力方向和大小",
+    "author": "Yei.J. (AskaEth)",
+    "version": "1.0.0",
+    "supported_games": "all",
+    "config": {
+        "icon": "🎯",
+        "aspect_ratio": "1:1",
+        "render_mode": "contain"
+    }
+}
diff --git a/server/api.py b/server/api.py
index 9e59282..b9e2d2b 100644
--- a/server/api.py
+++ b/server/api.py
@@ -469,3 +469,23 @@ async def api_start_playback(data: dict):
 async def api_stop_playback():
     _get_player().stop()
     return {"ok": True, "playing": False}
+
+
+@router.get("/recording/{filename}/export")
+async def api_export_recording(filename: str):
+    from fastapi.responses import FileResponse
+    from server.recorder import RECORDINGS_DIR
+    path = RECORDINGS_DIR / filename
+    if not path.exists():
+        raise HTTPException(404, "Recording not found")
+    return FileResponse(path, media_type="application/octet-stream", filename=filename)
+
+
+@router.post("/recording/import")
+async def api_import_recording(file: UploadFile = File(...)):
+    from server.recorder import RECORDINGS_DIR
+    if not file.filename or not file.filename.endswith('.tsr'):
+        raise HTTPException(400, "Only .tsr files are accepted")
+    dest = RECORDINGS_DIR / file.filename
+    dest.write_bytes(await file.read())
+    return {"ok": True}
