diff --git a/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h b/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h
index 7e406b2..6c03040 100644
--- a/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h
+++ b/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h
@@ -12,7 +12,7 @@
 
 void SYS_Config();
 void gpio_config();
-void opa_config();
+void opa_init(void);
 void adc_init(void);
 //-------------------------------------
 void llc_pwm_config(); // LLC
diff --git a/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/src/init.c b/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/src/init.c
index cf39e4c..38c3b41 100644
--- a/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/src/init.c
+++ b/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/src/init.c
@@ -70,7 +70,7 @@ void SYS_Config()
   // PWR_EnterDeepSleepMode(_Pre_Proc, _Post_Proc); // use WDG wake up 1 sec
 
   gpio_config();
-  opa_config();
+  opa_init();
   adc_init();
   llc_pwm_config(); // 初始化但不輸出 EPWM_CH1
   pfc_pwm_config(); // 初始化但不輸出 TIM2_CH1
@@ -87,22 +87,9 @@ void SYS_Config()
 //===================================================================================
 void gpio_config()
 {
-  //-----------------//
-  //		OPA
-  //		IN+ = PA8
-  //		IN- = PA9
-  // 		OUT = PA7
-  //-----------------//
 
   GPIO_InitTypeDef GPIO_InitStruct;
 
-#if 1
-  GPIO_InitStruct.GPIO_Pin = GPIO_Pin_07 | GPIO_Pin_08; // Pin_09 is set as power_ok
-  GPIO_InitStruct.GPIO_Mode = GPIO_Mode_ANAL;
-  GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
-  GPIO_Init(GPIOA, &GPIO_InitStruct);
-#endif
-
 #if 1
   //-----------------//
   //		PWM
@@ -146,22 +133,22 @@ void gpio_config()
 #endif
 }
 //===================================================================================
-void opa_config(void)
+void opa_init(void)
 {
+  // gpio
+  GPIO_InitTypeDef gpio_init = { 0 };
+  gpio_init.GPIO_Pin = GPIO_Pin_07 | GPIO_Pin_08; // Pin_09 is set as power_ok
+  gpio_init.GPIO_Mode = GPIO_Mode_ANAL;
+  gpio_init.GPIO_PuPd = GPIO_PuPd_NOPULL;
+  GPIO_Init(GPIOA, &gpio_init);
+
+  // opa
   OPAMP_InitTypeDef opa_init = { 0 };
-
-  opa_init.OPAMP_VinP = OPAMP_VinP_IO;
-  opa_init.OPAMP_VinM = OPAMP_VinM_GND;   // 設定內部 GND ，PIN 留給 POWER_OK
-  opa_init.OPAMP_Vout = OPAMP_Vout_IO;    // 拉到 IO，需要外部 500 ~ 1000pF 電容
-  opa_init.OPAMP_Gain = OPAMP_PGAGain_15; // 使用最大 15 倍，減少 RS 功耗
-
-  // 正向放大器 OK
-  // 電壓隨耦器 OK
-  // 反向放大器 NG
-  // V+ 接 1/2 VCC，差動放大器 OK
-
+  opa_init.OPAMP_VinP = OPAMP_VinP_IO;    // PA8
+  opa_init.OPAMP_VinM = OPAMP_VinM_GND;   // internal GND, PIN 留給 POWER_OK
+  opa_init.OPAMP_Vout = OPAMP_Vout_IO;    // PA7, 拉到 IO PA7，需要外部 500 ~ 1000pF 電容
+  opa_init.OPAMP_Gain = OPAMP_PGAGain_15; // x1~x16 as needed, 使用 15 倍, 減少 RS 功耗
   OPAMP_Init(OPAMP0, &opa_init);
-
   OPAMP_Enable(OPAMP0);
 }
 //===================================================================================