diff --git a/src/pages/Inventory/Products/index.tsx b/src/pages/Inventory/Products/index.tsx
index 57d9d14..0a61216 100644
--- a/src/pages/Inventory/Products/index.tsx
+++ b/src/pages/Inventory/Products/index.tsx
@@ -736,17 +736,18 @@ render: (_, row) => (
                 }}
                 style={{ width: 120 }}
               />
-              <Select
-                placeholder="批次"
-                value={pan.batchId}
-                style={{ width: 180 }}
-                options={batches.map((batch) => ({ label: batch.batchNo, value: batch.batchId }))}
-                onChange={(value) => {
-                  const next = [...panInputs];
-                  next[pi] = { ...next[pi], batchId: value };
-                  setPanInputs(next);
-                }}
-              />
+<Select
+  placeholder="批次"
+  value={pan.batchId}
+  style={{ width: 180 }}
+  allowClear
+  options={batches.map((batch) => ({ label: batch.batchNo, value: batch.batchId }))}
+  onChange={(value) => {
+    const next = [...panInputs];
+    next[pi] = { ...next[pi], batchId: value || undefined };
+    setPanInputs(next);
+  }}
+/>
             </Space>
             {pan.boltLengths?.map((len, bi) => (
               <Space key={bi} style={{ display: 'flex', marginBottom: 4 }}>