diff --git a/drivers/light/device.ts b/drivers/light/device.ts
index ad1128ea..8730e3a2 100644
--- a/drivers/light/device.ts
+++ b/drivers/light/device.ts
@@ -340,7 +340,7 @@ export default class TuyaOAuth2DeviceLight extends TuyaOAuth2Device {
     light_saturation = this.getCapabilityValue('light_saturation'),
     light_temperature = this.getCapabilityValue('light_temperature'),
   }): Promise<void> {
-    const commands = [];
+    const commands: TuyaCommand[] = [];
 
     // Light mode is not available when a light only has temperature or color
     if (!this.hasCapability('light_mode')) {
@@ -351,6 +351,13 @@ export default class TuyaOAuth2DeviceLight extends TuyaOAuth2Device {
       }
     }
 
+    if (this.hasTuyaCapability('work_mode')) {
+      commands.push({
+        code: 'work_mode',
+        value: light_mode === 'color' ? 'colour' : 'white',
+      });
+    }
+
     if (light_mode === 'color') {
       if (this.hasTuyaCapability('colour_data')) {
         commands.push({
diff --git a/drivers/light/driver.ts b/drivers/light/driver.ts
index 7257235b..8d060369 100644
--- a/drivers/light/driver.ts
+++ b/drivers/light/driver.ts
@@ -247,17 +247,27 @@ module.exports = class TuyaOAuth2DriverLight extends TuyaOAuth2Driver {
       const values = JSON.parse(functionSpecification.values);
 
       if (tuyaCapability === 'bright_value') {
-        props.store.tuya_brightness = values;
+        props.store.tuya_brightness = { ...props.store.tuya_brightness, ...values };
       } else if (tuyaCapability === 'bright_value_v2') {
-        props.store.tuya_brightness_v2 = values;
+        props.store.tuya_brightness_v2 = { ...props.store.tuya_brightness_v2, ...values };
       } else if (tuyaCapability === 'temp_value') {
-        props.store.tuya_temperature = values;
+        props.store.tuya_temperature = { ...props.store.tuya_temperature, ...values };
       } else if (tuyaCapability === 'temp_value_v2') {
-        props.store.tuya_temperature_v2 = values;
+        props.store.tuya_temperature_v2 = { ...props.store.tuya_temperature_v2, ...values };
       } else if (tuyaCapability === 'colour_data') {
-        props.store.tuya_colour = values;
+        for (const index of ['h', 's', 'v']) {
+          props.store.tuya_colour[index] = {
+            ...props.store.tuya_colour[index],
+            ...values?.[index],
+          };
+        }
       } else if (tuyaCapability === 'colour_data_v2') {
-        props.store.tuya_colour_v2 = values;
+        for (const index of ['h', 's', 'v']) {
+          props.store.tuya_colour_v2[index] = {
+            ...props.store.tuya_colour_v2[index],
+            ...values?.[index],
+          };
+        }
       }
     }