problem fix

custom_components/tuya_local/devices/zemismart_roller_shade_zm25r2.yaml

@@ -89,6 +89,8 @@ secondary_entities:
         mapping:
           - dps_val: 0
             value: false
+          - dps_val: null
+            value: false
           - value: true
         optional: true
   - entity: button