钢印修正

src/main/java/com/jeesite/modules/mes/web/MesPdaProductController.java

@@ -24,7 +24,8 @@ import java.util.Map;
 @RequestMapping(value = "${adminPath}/mes/pda/product")
 public class MesPdaProductController extends BaseController {
 
-	private static final String STEEL_SN_PATTERN = "^[A-Z]{1,2}[0-9]+$";
+	// 钢印码格式：T09/T68 + 9位数字，共12位
+	private static final String STEEL_SN_PATTERN = "^(T09|T68)[0-9]{9}$";
 	private static final String CUSTOMER_SN_PATTERN = "^\\+KB.*$";
 
 	@Autowired