diff --git a/components/led/lightbulb_driver/CHANGELOG.md b/components/led/lightbulb_driver/CHANGELOG.md
index 3345e7585..0ca4577ce 100644
--- a/components/led/lightbulb_driver/CHANGELOG.md
+++ b/components/led/lightbulb_driver/CHANGELOG.md
@@ -1,5 +1,11 @@
 # ChangeLog
 
+## v1.1.2 - 2024-02-05
+
+### Bug Fixes:
+
+* fix(lightbulb): incorrect type.
+
 ## v1.1.1 - 2024-02-04
 
 ### Bug Fixes:
diff --git a/components/led/lightbulb_driver/drivers/sm2x35egh/sm2x35egh.c b/components/led/lightbulb_driver/drivers/sm2x35egh/sm2x35egh.c
index 512ea93e0..9e84355ee 100644
--- a/components/led/lightbulb_driver/drivers/sm2x35egh/sm2x35egh.c
+++ b/components/led/lightbulb_driver/drivers/sm2x35egh/sm2x35egh.c
@@ -201,11 +201,11 @@ sm2x35egh_rgb_current_t sm2235egh_rgb_current_mapping(int current_mA)
     return (sm2x35egh_rgb_current_t)((current_mA - 4) / 4);
 }
 
-sm2x35egh_rgb_current_t sm2235egh_cw_current_mapping(int current_mA)
+sm2x35egh_cw_current_t sm2235egh_cw_current_mapping(int current_mA)
 {
     DRIVER_CHECK((current_mA >= 5) && (current_mA <= 80) && (!(current_mA % 5)), "The current value is incorrect and cannot be mapped.", return SM2235EGH_CW_CURRENT_MAX);
 
-    return (sm2x35egh_rgb_current_t)((current_mA - 5) / 5);
+    return (sm2x35egh_cw_current_t)((current_mA - 5) / 5);
 }
 
 sm2x35egh_rgb_current_t sm2335egh_rgb_current_mapping(int current_mA)
@@ -215,11 +215,11 @@ sm2x35egh_rgb_current_t sm2335egh_rgb_current_mapping(int current_mA)
     return (sm2x35egh_rgb_current_t)((current_mA - 10) / 10);
 }
 
-sm2x35egh_rgb_current_t sm2335egh_cw_current_mapping(int current_mA)
+sm2x35egh_cw_current_t sm2335egh_cw_current_mapping(int current_mA)
 {
     DRIVER_CHECK((current_mA >= 5) && (current_mA <= 80) && (!(current_mA % 5)), "The current value is incorrect and cannot be mapped.", return SM2335EGH_CW_CURRENT_MAX);
 
-    return (sm2x35egh_rgb_current_t)((current_mA - 5) / 5);
+    return (sm2x35egh_cw_current_t)((current_mA - 5) / 5);
 }
 
 esp_err_t sm2x35egh_init(driver_sm2x35egh_t *config, void(*hook_func)(void *))
diff --git a/components/led/lightbulb_driver/drivers/sm2x35egh/sm2x35egh.h b/components/led/lightbulb_driver/drivers/sm2x35egh/sm2x35egh.h
index 89b933c3b..7db4d8068 100644
--- a/components/led/lightbulb_driver/drivers/sm2x35egh/sm2x35egh.h
+++ b/components/led/lightbulb_driver/drivers/sm2x35egh/sm2x35egh.h
@@ -221,9 +221,9 @@ sm2x35egh_rgb_current_t sm2235egh_rgb_current_mapping(int current_mA);
  * @brief Convert the cw channel current value into the enumeration value required by the driver
  *
  * @param current_mA Drive current value, in milliamps, ranges from 5~80mA, and can be evenly divided by 5
- * @return sm2x35egh_rgb_current_t
+ * @return sm2x35egh_cw_current_t
  */
-sm2x35egh_rgb_current_t sm2235egh_cw_current_mapping(int current_mA);
+sm2x35egh_cw_current_t sm2235egh_cw_current_mapping(int current_mA);
 
 /**
  * @brief Convert the rgb channel current value into the enumeration value required by the driver
@@ -237,6 +237,6 @@ sm2x35egh_rgb_current_t sm2335egh_rgb_current_mapping(int current_mA);
  * @brief Convert the cw channel current value into the enumeration value required by the driver
  *
  * @param current_mA Drive current value, in milliamps, ranges from 5~80mA, and can be evenly divided by 5
- * @return sm2x35egh_rgb_current_t
+ * @return sm2x35egh_cw_current_t
  */
-sm2x35egh_rgb_current_t sm2335egh_cw_current_mapping(int current_mA);
+sm2x35egh_cw_current_t sm2335egh_cw_current_mapping(int current_mA);
diff --git a/components/led/lightbulb_driver/idf_component.yml b/components/led/lightbulb_driver/idf_component.yml
index 67a58d141..2261a538f 100644
--- a/components/led/lightbulb_driver/idf_component.yml
+++ b/components/led/lightbulb_driver/idf_component.yml
@@ -1,4 +1,4 @@
-version: "1.1.1"
+version: "1.1.2"
 description: Provide multiple dimming driver solutions to easily build lightbulb applications
 url: https://github.com/espressif/esp-iot-solution/tree/master/components/led/lightbulb_driver
 dependencies:
diff --git a/components/led/lightbulb_driver/include/lightbulb.h b/components/led/lightbulb_driver/include/lightbulb.h
index 3bffcc93e..14604cd40 100644
--- a/components/led/lightbulb_driver/include/lightbulb.h
+++ b/components/led/lightbulb_driver/include/lightbulb.h
@@ -14,6 +14,10 @@
 #include <hal/gpio_hal.h>
 #include <esp_log.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifdef CONFIG_ENABLE_PWM_DRIVER
 #include "pwm.h"
 #endif
@@ -42,10 +46,6 @@
 #include "kp18058.h"
 #endif
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /**
  * @brief Supported drivers
  *