diff --git a/app.py b/app.py
index 1a1f284..5f62525 100644
--- a/app.py
+++ b/app.py
@@ -30,14 +30,6 @@ logger = logging.getLogger("hair.worker")
 BASE_URL = "https://hair.xiangsilian.com"
 SAMPLE_IMAGE_URL = f"{BASE_URL}/static/sample.jpg"
 
-# 分辨率门槛（短边/长边，方向无关），可由环境变量覆盖（技术方案 §8.3）
-MIN_SHORT_SIDE = int(os.getenv("MIN_SHORT_SIDE", "600"))
-MIN_LONG_SIDE = int(os.getenv("MIN_LONG_SIDE", "800"))
-# 文件大小上限（字节），可由环境变量覆盖；设为 0 表示不限制
-MAX_FILE_BYTES = int(os.getenv("MAX_FILE_BYTES", "1000000"))  # 默认 1 MB
-if MAX_FILE_BYTES <= 0:
-    MAX_FILE_BYTES = float("inf")
-
 # 运行期状态：模型就绪标志（/health 据此返回 200/503）
 _STATE = {"ready": False}
 
@@ -103,7 +95,7 @@ app = FastAPI(
 
 | 方式 | 字段名 | 说明 |
 |------|--------|------|
-| 文件上传 | `image_file` | `multipart/form-data`，单文件 ≤ 1 MB |
+| 文件上传 | `image_file` | `multipart/form-data`，单文件上传 |
 | URL | `image_url` | 图片的完整 HTTP/HTTPS 地址 |
 | base64 | `image_base64` | 需携带前缀，如 `data:image/jpeg;base64,xxxx` |
 
@@ -112,9 +104,9 @@ app = FastAPI(
 ## 图片要求
 
 - 格式：**JPG / PNG**
-- 分辨率：最低 1080×1920，最大 4000×5000
+- 分辨率：不限制
 - 人脸数量：仅支持**单人**，多人返回错误码 `1005`
-- 文件大小：≤ 1 MB（文件上传方式）
+- 文件大小：不限制
 
 ## 统一响应结构
 
@@ -134,11 +126,9 @@ app = FastAPI(
 | code | 说明 |
 |------|------|
 | 1001 | 无法识别人像 |
-| 1002 | 人像分辨率过低 |
 | 1003 | 非正面照 / 角度过大 |
 | 1004 | 性别标签无法判定 |
 | 1005 | 检测到多张人脸（仅支持单人）|
-| 1006 | 文件超出 1 MB 限制 |
 | 1007 | 图片参数错误（未传或同时传多个）|
 | 1008 | 图片格式不支持（仅 JPG / PNG）|
 """,
@@ -202,7 +192,7 @@ async def resolve_image_bytes(image_file, image_url, image_base64):
     """三选一取图，返回 (raw_bytes, error_response)。
 
     严格互斥：传 0 个或多个 → 1007；URL 下载失败/base64 解码失败 → 1008。
-    大小校验放到上层（统一 1006），此处只负责取到字节。
+    不限制文件大小，此处只负责取到字节。
     """
     provided = [x for x in (image_file, image_url, image_base64) if x]
     if len(provided) != 1:
@@ -280,7 +270,7 @@ def _parse_hair_styles(raw: Optional[str], max_styles: int) -> Optional[list[int
 
 _image_fields_desc = (
     "图片传参方式严格互斥，必须且只能选其一：\n"
-    "- **image_file**（multipart/form-data 上传，≤ 1 MB）\n"
+    "- **image_file**（multipart/form-data 上传）\n"
     "- **image_url**（完整 HTTP/HTTPS 地址）\n"
     "- **image_base64**（需携带前缀，如 `data:image/jpeg;base64,xxxx`）\n\n"
     "同时传多个或一个都不传，均返回错误码 `1007`。"
@@ -331,20 +321,12 @@ async def _face_measure_impl(image_file, image_url, image_base64, variant="v1"):
     if e is not None:
         return None, e
 
-    # 2. 大小校验（≤ 1MB）
-    if len(raw) > MAX_FILE_BYTES:
-        return None, err(1006, "文件超出 1 MB 限制")
-
-    # 3. 解码
+    # 2. 解码（不限制文件大小 / 分辨率）
     image = cv2.imdecode(np.frombuffer(raw, np.uint8), cv2.IMREAD_COLOR)
     if image is None:
         return None, err(1008, "图片格式不支持（仅 JPG / PNG）")
 
-    # 4. 分辨率（短边/长边，方向无关，可配置门槛）
     h, w = image.shape[:2]
-    short_side, long_side = min(w, h), max(w, h)
-    if short_side < MIN_SHORT_SIDE or long_side < MIN_LONG_SIDE:
-        return None, err(1002, "人像分辨率过低")
 
     try:
         from face_analysis.detector import detector
@@ -488,7 +470,7 @@ async def _face_measure_impl(image_file, image_url, image_base64, variant="v1"):
     },
 )
 async def face_measure(
-    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG，≤ 1 MB）"),
+    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG）"),
     image_url: Optional[str] = Form(default=None, description="图片 URL"),
     image_base64: Optional[str] = Form(default=None, description="图片 base64（需带 data:image/...;base64, 前缀）"),
 ):
@@ -587,7 +569,7 @@ async def face_measure(
     },
 )
 async def face_measure_v2(
-    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG，≤ 1 MB）"),
+    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG）"),
     image_url: Optional[str] = Form(default=None, description="图片 URL"),
     image_base64: Optional[str] = Form(default=None, description="图片 base64（需带 data:image/...;base64, 前缀）"),
 ):
@@ -660,7 +642,7 @@ async def face_measure_v2(
     },
 )
 async def hair_grow(
-    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG，≤ 1 MB）"),
+    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG）"),
     image_url: Optional[str] = Form(default=None, description="图片 URL"),
     image_base64: Optional[str] = Form(default=None, description="图片 base64（需带 data:image/...;base64, 前缀）"),
     gender: Optional[str] = Form(default=None, description="性别 male/female（必填）"),
@@ -683,18 +665,11 @@ async def hair_grow(
     raw, e = await resolve_image_bytes(image_file, image_url, image_base64)
     if e is not None:
         return e
-    if len(raw) > MAX_FILE_BYTES:
-        return err(1006, "文件超出 1 MB 限制")
 
     image = cv2.imdecode(np.frombuffer(raw, np.uint8), cv2.IMREAD_COLOR)
     if image is None:
         return err(1008, "图片格式不支持（仅 JPG / PNG）")
 
-    h, w = image.shape[:2]
-    short_side, long_side = min(w, h), max(w, h)
-    if short_side < MIN_SHORT_SIDE or long_side < MIN_LONG_SIDE:
-        return err(1002, "人像分辨率过低")
-
     try:
         from fastapi.concurrency import run_in_threadpool
         from hairline.service import generate_grow_results
@@ -781,7 +756,7 @@ _WORKFLOW2_PATH = os.path.join(os.path.dirname(__file__), "add_hair2.json")
     },
 )
 async def hair_grow_v2(
-    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG，≤ 1 MB）"),
+    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG）"),
     image_url: Optional[str] = Form(default=None, description="图片 URL"),
     image_base64: Optional[str] = Form(default=None, description="图片 base64（需带 data:image/...;base64, 前缀）"),
     gender: Optional[str] = Form(default=None, description="性别 male/female（必填）"),
@@ -804,18 +779,11 @@ async def hair_grow_v2(
     raw, e = await resolve_image_bytes(image_file, image_url, image_base64)
     if e is not None:
         return e
-    if len(raw) > MAX_FILE_BYTES:
-        return err(1006, "文件超出 1 MB 限制")
 
     image = cv2.imdecode(np.frombuffer(raw, np.uint8), cv2.IMREAD_COLOR)
     if image is None:
         return err(1008, "图片格式不支持（仅 JPG / PNG）")
 
-    h, w = image.shape[:2]
-    short_side, long_side = min(w, h), max(w, h)
-    if short_side < MIN_SHORT_SIDE or long_side < MIN_LONG_SIDE:
-        return err(1002, "人像分辨率过低")
-
     try:
         from fastapi.concurrency import run_in_threadpool
         from hairline.service import generate_grow_results
@@ -883,7 +851,7 @@ async def hair_grow_v2(
     },
 )
 async def hair_grow_b(
-    marked_image_file: Optional[UploadFile] = File(default=None, description="划线图片文件（JPG/PNG，≤ 1 MB）"),
+    marked_image_file: Optional[UploadFile] = File(default=None, description="划线图片文件（JPG/PNG）"),
     marked_image_url: Optional[str] = Form(default=None, description="划线图片 URL"),
     marked_image_base64: Optional[str] = Form(default=None, description="划线图片 base64"),
     use_mask: bool = Form(default=True, description="是否画发际线（测试对比用）。false 时跳过划线检测、直接送划线图"),
@@ -893,18 +861,11 @@ async def hair_grow_b(
     marked_raw, e = await resolve_image_bytes(marked_image_file, marked_image_url, marked_image_base64)
     if e is not None:
         return e
-    if len(marked_raw) > MAX_FILE_BYTES:
-        return err(1006, "文件超出 1 MB 限制")
 
     marked = cv2.imdecode(np.frombuffer(marked_raw, np.uint8), cv2.IMREAD_COLOR)
     if marked is None:
         return err(1008, "图片格式不支持（仅 JPG / PNG）")
 
-    h, w = marked.shape[:2]
-    short_side, long_side = min(w, h), max(w, h)
-    if short_side < MIN_SHORT_SIDE or long_side < MIN_LONG_SIDE:
-        return err(1002, "人像分辨率过低")
-
     try:
         from fastapi.concurrency import run_in_threadpool
         from hairline.service import generate_grow_b
@@ -985,7 +946,7 @@ async def hair_grow_b(
     },
 )
 async def face_features(
-    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG，≤ 1 MB）"),
+    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG）"),
     image_url: Optional[str] = Form(default=None, description="图片 URL"),
     image_base64: Optional[str] = Form(default=None, description="图片 base64（需带 data:image/...;base64, 前缀）"),
 ):
@@ -1052,14 +1013,14 @@ async def face_features(
             "description": "参数错误 / 图片识别失败",
             "content": {
                 "application/json": {
-                    "example": {"code": 1002, "message": "人像分辨率过低", "request_id": "x", "data": None}
+                    "example": {"code": 1001, "message": "无法识别人像", "request_id": "x", "data": None}
                 }
             },
         },
     },
 )
 async def hairline_generate(
-    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG，≤ 1 MB）"),
+    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG）"),
     image_url: Optional[str] = Form(default=None, description="图片 URL"),
     image_base64: Optional[str] = Form(default=None, description="图片 base64（需带 data:image/...;base64, 前缀）"),
     gender: Optional[str] = Form(default=None, description="性别 male/female（必填）"),
@@ -1070,18 +1031,11 @@ async def hairline_generate(
     raw, e = await resolve_image_bytes(image_file, image_url, image_base64)
     if e is not None:
         return e
-    if len(raw) > MAX_FILE_BYTES:
-        return err(1006, "文件超出 1 MB 限制")
 
     image = cv2.imdecode(np.frombuffer(raw, np.uint8), cv2.IMREAD_COLOR)
     if image is None:
         return err(1008, "图片格式不支持（仅 JPG / PNG）")
 
-    h, w = image.shape[:2]
-    short_side, long_side = min(w, h), max(w, h)
-    if short_side < MIN_SHORT_SIDE or long_side < MIN_LONG_SIDE:
-        return err(1002, "人像分辨率过低")
-
     try:
         from fastapi.concurrency import run_in_threadpool
         from hairline.service import generate_hairline_pngs
diff --git a/gateway/app.py b/gateway/app.py
index b58a24d..0cf0c6f 100644
--- a/gateway/app.py
+++ b/gateway/app.py
@@ -218,7 +218,7 @@ def _proxy(request: Request, path: str):
 
 # 声明各接口的 form 参数用于 OpenAPI schema（实际转发直接读 Request）
 _MEASURE_FORMS = {
-    "image_file": {"type": "file", "description": "上传图片文件（JPG/PNG，≤ 1 MB）"},
+    "image_file": {"type": "file", "description": "上传图片文件（JPG/PNG）"},
     "image_url": {"type": "string", "description": "图片 URL"},
     "image_base64": {"type": "string", "description": "图片 base64（需带前缀）"},
 }
@@ -261,7 +261,7 @@ async def hair_grow_b(request: Request):
 
 @app.post("/api/v1/face/features", tags=["人脸分析"])
 async def face_features(
-    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG，≤ 1 MB）"),
+    image_file: Optional[UploadFile] = File(default=None, description="上传图片文件（JPG/PNG）"),
     image_url: Optional[str] = Form(default=None, description="图片 URL"),
     image_base64: Optional[str] = Form(default=None, description="图片 base64（需带前缀）"),
 ):
@@ -278,14 +278,7 @@ async def face_features(
 
     img_bytes = None
     if image_file:
-        raw = await image_file.read()
-        # TODO: 临时取消限制，后续恢复
-        # if len(raw) > 1_000_000:
-        #     return JSONResponse(status_code=200, content={
-        #         "code": 1006, "message": "文件超出 1 MB 限制",
-        #         "request_id": f"gw-{_uuid.uuid4().hex[:8]}", "data": None,
-        #     })
-        img_bytes = raw
+        img_bytes = await image_file.read()
     elif image_base64:
         b64 = image_base64
         if "," in b64:
diff --git a/hair-worker.service b/hair-worker.service
index a686f6b..5f1de10 100644
--- a/hair-worker.service
+++ b/hair-worker.service
@@ -8,9 +8,6 @@ User=xsl
 WorkingDirectory=/home/xsl/hair
 # 鉴权密码：优先 worker_config.json；也可在此用环境变量覆盖
 # Environment=WORKER_ACCEPT_PASSWORDS=your-strong-secret
-# 分辨率门槛（可选，默认 600/800）
-# Environment=MIN_SHORT_SIDE=600
-# Environment=MIN_LONG_SIDE=800
 ExecStart=/home/xsl/hair/venv/bin/uvicorn app:app --host 0.0.0.0 --port 8187
 Restart=always
 RestartSec=3
diff --git a/run_worker.sh b/run_worker.sh
index ded3e2c..b2a0bd8 100755
--- a/run_worker.sh
+++ b/run_worker.sh
@@ -18,13 +18,6 @@ LOG_FILE="worker.log"
 HOST="${HOST:-0.0.0.0}"
 PORT="${PORT:-8187}"
 
-# ---- 临时取消上传图片限制（分辨率 + 文件大小）----
-# 0 = 不限制。要恢复默认（600/800/1MB），删掉下面三行即可。
-export MIN_SHORT_SIDE="${MIN_SHORT_SIDE:-0}"
-export MIN_LONG_SIDE="${MIN_LONG_SIDE:-0}"
-export MAX_FILE_BYTES="${MAX_FILE_BYTES:-0}"
-# ------------------------------------------------
-
 if [ ! -x "$VENV_UVICORN" ]; then
   echo "找不到 $VENV_UVICORN，请先创建 venv 并安装依赖（见 requirements.txt）" >&2
   exit 1
diff --git a/tests/conftest.py b/tests/conftest.py
index 043d7ed..50b527c 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -64,11 +64,3 @@ def build_synthetic_landmarks(px_per_cm=50.0, W=1000, H=1000):
     lm[474] = _LM(X(cx + ie / 2 + ew / 2 - d / 2), eye_y)
     lm[476] = _LM(X(cx + ie / 2 + ew / 2 + d / 2), eye_y)
     return [lm[i] for i in range(478)], gt
-
-
-@pytest.fixture
-def oversize_file(tmp_path):
-    """1006 用例：>1MB 的占位文件（无需合法图片，只看字节数）。"""
-    p = tmp_path / "oversize.bin"
-    p.write_bytes(b"\x00" * 1_100_000)
-    return p
diff --git a/tests/test_api.py b/tests/test_api.py
index 220b80a..edcc3bb 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -52,17 +52,6 @@ def test_param_multiple_provided_1007(client):
     assert r.json()["code"] == 1007
 
 
-def test_oversize_1006(client, oversize_file):
-    files = {"image_file": ("oversize.bin", open(oversize_file, "rb"), "application/octet-stream")}
-    r = client.post(URL, headers=H, files=files)
-    assert r.json()["code"] == 1006
-
-
-def test_lowres_1002(client):
-    r = _post(client, "lowres.png")
-    assert r.json()["code"] == 1002
-
-
 def test_no_face_1001(client):
     r = _post(client, "landscape.jpg")
     assert r.json()["code"] == 1001