diff --git a/client/src/pdd_collect_service.py b/client/src/pdd_collect_service.py
index ff51756..f3b822b 100644
--- a/client/src/pdd_collect_service.py
+++ b/client/src/pdd_collect_service.py
@@ -699,18 +699,6 @@ class PddCollectService:
                 self._wait_spec_panel(device)
 
                 color_dimension, color_samples = self._collect_color_prices(device)
-                missing_prices = [
-                    color.text
-                    for color in color_dimension.values
-                    if color.available
-                    and color_samples[color.text].price_cent is None
-                ]
-                if missing_prices:
-                    raise PddCollectError(
-                        "PDD_DATA_PRICE_MISSING",
-                        "以下可用颜色没有采集到稳定价格："
-                        + "、".join(missing_prices),
-                    )
                 size_dimension = self._collect_size_dimension(device)
                 dimensions = (color_dimension,)
                 if size_dimension is not None:
@@ -723,11 +711,11 @@ class PddCollectService:
                 skus = self._build_color_price_skus(
                     dimensions, color_samples
                 )
-                has_available_price = any(
-                    item.price_cent is not None for item in skus if item.available
-                )
-                if not skus or not has_available_price:
-                    raise PddCollectError("PDD_DATA_PRICE_MISSING", "没有采集到可用 SKU 的价格")
+                if not skus:
+                    raise PddCollectError(
+                        "PDD_DATA_SPEC_INCOMPLETE",
+                        "规格面板没有生成可提交的规格组合",
+                    )
         except PddCollectError as exc:
             if not exc.diagnostics and self._last_goods_xml:
                 artifact = self._save_xml("collect-failed", self._last_goods_xml)
@@ -1207,21 +1195,18 @@ class PddCollectService:
                 options = {"color": color.text}
                 if size is not None:
                     options["size"] = size.text
-                available = (
-                    color.available
-                    and (size is None or size.available)
-                    and sample.price_cent is not None
-                )
+                # 是否可用来自规格控件状态，不能用“是否采到价格”代替。
+                available = color.available and (size is None or size.available)
                 results.append(
                     SkuResult(
                         options,
-                        sample.price_cent if available else None,
+                        sample.price_cent,
                         available,
-                        sample.raw_price if available else None,
+                        sample.raw_price,
                         {"color": color.text}
                         if sample.price_cent is not None
                         else {},
-                        sample.list_price_cent if available else None,
+                        sample.list_price_cent,
                     )
                 )
         return tuple(results)
diff --git a/client/test/test_pdd_collect_service.py b/client/test/test_pdd_collect_service.py
index cb0837d..a2b735f 100644
--- a/client/test/test_pdd_collect_service.py
+++ b/client/test/test_pdd_collect_service.py
@@ -232,6 +232,13 @@ class IgnoredColorClickDevice(SnakeColorDevice):
         self.clicks.append((x, y))
 
 
+class AllMissingColorPriceDevice(IgnoredColorClickDevice):
+    """所有颜色点击都未生效，模拟全部颜色采价为空。"""
+
+    def _spec_xml(self):
+        return super()._spec_xml().replace('selected="true"', 'selected="false"')
+
+
 def keep_only_one_sku(xml_data: str) -> str:
     """从脱敏固件中删除蓝色和 L，只保留一个组合。"""
 
@@ -562,6 +569,32 @@ class PddCollectParserTest(unittest.TestCase):
 
         self.assertIsNone(sample.price_cent)
 
+    def test_all_missing_color_prices_still_collects_sizes(self):
+        device = AllMissingColorPriceDevice(self.home_xml)
+        service = PddCollectService(
+            PddDeviceService(lambda _serial: device),
+            "USB-001",
+            "client-001",
+            sleeper=lambda _seconds: None,
+        )
+
+        data = service.collect(
+            FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
+        ).to_pdd_data()
+
+        self.assertEqual(
+            [item["text"] for item in data["dimensions"][1]["values"]],
+            ["M", "L"],
+        )
+        self.assertTrue(device.sizes_visible)
+        self.assertTrue(data["skus"])
+        self.assertTrue(all(item["price_cent"] is None for item in data["skus"]))
+        self.assertTrue(all(item["raw_price"] is None for item in data["skus"]))
+        self.assertTrue(
+            all(item["price_observed_at"] == {} for item in data["skus"])
+        )
+        self.assertTrue(all(item["available"] for item in data["skus"]))
+
     def test_missing_goods_id_is_structured_error(self):
         service = PddCollectService(
             PddDeviceService(lambda _serial: object()),
diff --git a/docs/client/01-requirements.md b/docs/client/01-requirements.md
index ce55179..46a8186 100644
--- a/docs/client/01-requirements.md
+++ b/docs/client/01-requirements.md
@@ -59,6 +59,10 @@ Client 顶级导航仅包含：
 `price_observed_at` 只记录实际选中的颜色，不得虚构已选尺码。以后需要按尺码
 区分价格或组合库存时，必须另行确认并改用 `price_granularity=sku`。
 
+颜色已售罄、无法选中或未采到稳定价格时，不重试采价，也不阻断后续流程；该
+颜色的价格相关字段留空。所有颜色处理完成后仍须采集尺码、保存本地结果并提交
+Admin。规格 `available` 只反映页面控件状态，不能根据价格是否为空推断。
+
 对于“1.2 万+”等近似数值，同时保存规范化数值、原始文字和近似标记。
 
 ### 4.2 采购任务
diff --git a/docs/client/03-data-model.md b/docs/client/03-data-model.md
index 98783c8..c94ac4a 100644
--- a/docs/client/03-data-model.md
+++ b/docs/client/03-data-model.md
@@ -525,6 +525,10 @@ CREATE TABLE app_settings (
 这里的 `available` 来自当前规格节点显示状态，不表示 Client 已逐个验证了每个
 颜色与尺码组合的实时库存。
 
+颜色无法选中或没有采到稳定价格时，该颜色对应组合的 `price_cent`、`raw_price`
+和 `list_price_cent` 使用 `null`，`price_observed_at` 使用空对象。缺价不改变
+`available`，也不阻止尺码采集、结果入库和提交。
+
 ### 8.2 采购结果
 
 采购任务在同一结构中增加：
diff --git a/docs/client/04-admin-api-contract.md b/docs/client/04-admin-api-contract.md
index 57d32d9..6becdff 100644
--- a/docs/client/04-admin-api-contract.md
+++ b/docs/client/04-admin-api-contract.md
@@ -310,6 +310,7 @@ Idempotency-Key: task-id:attempt-id:result-v1
 - `[必须]` Client 只有收到 `accepted: true` 后才能把本地任务标为 `succeeded`。
 - `[必须]` `price_cent` 是实际支付价的整数分；划线价可放在 `list_price_cent`。
 - `[必须]` `price_granularity` 只能是 `color` 或 `sku`。当前 Client 按颜色采样时填 `color`；同一颜色的尺码组合可以共享颜色价格，但 `price_observed_at` 只填写实际选中的颜色，不得虚构尺码。以后逐个选择完整组合采价时才使用 `sku`。
+- `[必须]` 采集任务中，颜色无法选中或未采到稳定价格时，相关 `price_cent`、`raw_price` 和 `list_price_cent` 允许为 `null`，`price_observed_at` 允许为空对象；Admin 不得仅因部分或全部颜色缺价拒绝结果。
 - `[必须]` `shop_name` 采不到时允许省略或留空；Admin 不得因此拒绝老版本 Client，也不得用空值覆盖已保存的店铺名。
 
 ### 6.1 Admin 必须无条件接受