diff --git a/app/src/main/cpp/CMakeLists.txt b/app/src/main/cpp/CMakeLists.txt
index 88d1446e..d71359f3 100644
--- a/app/src/main/cpp/CMakeLists.txt
+++ b/app/src/main/cpp/CMakeLists.txt
@@ -36,6 +36,7 @@ add_definitions(-DUSING_NRSEC_VPN)
 # OUTPUT_CAMERA_DBG_INFO: 照片上打印CARERA相关信息
 # add_definitions(-DOUTPUT_CAMERA_DBG_INFO)
 add_definitions(-DALIGN_HB_TIMER_TO_PHOTO)
+add_definitions(-DENABLE_3V3_ALWAYS)
 
 # add_definitions(-DUSING_N938)
 
diff --git a/app/src/main/cpp/GPIOControl.cpp b/app/src/main/cpp/GPIOControl.cpp
index 5ba801bc..d4b69f39 100644
--- a/app/src/main/cpp/GPIOControl.cpp
+++ b/app/src/main/cpp/GPIOControl.cpp
@@ -158,7 +158,7 @@ bool GpioControl::SetN938Cmd(int cmd, int val)
 bool GpioControl::OpenSensors()
 {
 
-    GpioControl::setInt(CMD_SET_CAM_3V3_EN_STATE, true ? 1 : 0);
+    GpioControl::setCam3V3Enable(true);
     GpioControl::setInt(CMD_SET_485_EN_STATE, true ? 1 : 0);
     int     igpio;
     GpioControl::setInt(CMD_SET_WTH_POWER, 1);
diff --git a/app/src/main/cpp/GPIOControl.h b/app/src/main/cpp/GPIOControl.h
index ba976153..96f73e04 100644
--- a/app/src/main/cpp/GPIOControl.h
+++ b/app/src/main/cpp/GPIOControl.h
@@ -6,6 +6,8 @@
 #define MICROPHOTO_GPIOCONTROL_H
 
 #include <string>
+#include <chrono>
+#include <thread>
 
 #define CMD_GET_LIGHT_ADC                       101
 #define CMD_SET_LIGHT_ADC                       102
@@ -141,7 +143,11 @@ public:
 
     static void setCam3V3Enable(bool enabled)
     {
+#ifdef ENABLE_3V3_ALWAYS
+        setInt(CMD_SET_CAM_3V3_EN_STATE, 1);
+#else
         setInt(CMD_SET_CAM_3V3_EN_STATE, enabled ? 1 : 0);
+#endif
     }
 
     static void reboot()
@@ -231,6 +237,10 @@ public:
 
     static void setSpiPower(bool on) {
         setInt(CMD_SET_SPI_POWER, on ? 1 : 0);
+        if (on)
+        {
+            std::this_thread::sleep_for(std::chrono::milliseconds(40));
+        }
     }
 
     static void setRS485Enable(bool z) {
diff --git a/app/src/main/cpp/MicroPhoto.cpp b/app/src/main/cpp/MicroPhoto.cpp
index 2fd4c4df..f2d42bbc 100644
--- a/app/src/main/cpp/MicroPhoto.cpp
+++ b/app/src/main/cpp/MicroPhoto.cpp
@@ -818,6 +818,7 @@ Java_com_xypower_mpapp_MicroPhotoService_importPublicKeyFile(
 
     const char *md5Str = env->GetStringUTFChars(md5, 0);
 
+    GpioControl::setSpiPower(false);
     CPhoneDevice::TurnOnCameraPower(NULL);
     GpioControl::setSpiPower(true);
 
@@ -853,6 +854,7 @@ Java_com_xypower_mpapp_MicroPhotoService_importPublicKey(
         return JNI_FALSE;
     }
 
+    GpioControl::setSpiPower(false);
     CPhoneDevice::TurnOnCameraPower(NULL);
     GpioControl::setSpiPower(true);
 
@@ -889,7 +891,7 @@ Java_com_xypower_mpapp_MicroPhotoService_importPrivateKey(
         return JNI_FALSE;
     }
 
-
+    GpioControl::setSpiPower(false);
     CPhoneDevice::TurnOnCameraPower(NULL);
     GpioControl::setSpiPower(true);
 
@@ -927,6 +929,8 @@ Java_com_xypower_mpapp_MicroPhotoService_genKeys(
         jclass cls, jint index) {
 
 #ifdef USING_NRSEC
+
+    GpioControl::setSpiPower(false);
     CPhoneDevice::TurnOnCameraPower(NULL);
     GpioControl::setSpiPower(true);
 
@@ -956,6 +960,7 @@ Java_com_xypower_mpapp_MicroPhotoService_querySecVersion(
     std::string version;
 #ifdef USING_NRSEC
 
+    GpioControl::setSpiPower(false);
     CPhoneDevice::TurnOnCameraPower(NULL);
     GpioControl::setSpiPower(true);
 
@@ -986,6 +991,7 @@ Java_com_xypower_mpapp_MicroPhotoService_genCertRequest(
     }
     const char *path = NRSEC_PATH;
 
+    GpioControl::setSpiPower(false);
     CPhoneDevice::TurnOnCameraPower(NULL);
     GpioControl::setSpiPower(true);
 
@@ -1043,6 +1049,7 @@ Java_com_xypower_mpapp_MicroPhotoService_importPrivateKeyFile(
 
     const char *path = NRSEC_PATH;
 
+    GpioControl::setSpiPower(false);
     CPhoneDevice::TurnOnCameraPower(NULL);
     GpioControl::setSpiPower(true);
 
@@ -1082,6 +1089,7 @@ Java_com_xypower_mpapp_MicroPhotoService_exportPublicKeyFile(
     uint8_t len = 0;
     std::vector<unsigned char> data(64, 0);
 
+    GpioControl::setSpiPower(false);
     CPhoneDevice::TurnOnCameraPower(NULL);
     GpioControl::setSpiPower(true);
 
@@ -1121,6 +1129,7 @@ Java_com_xypower_mpapp_MicroPhotoService_exportPrivateFile(
 
     const char *path = NRSEC_PATH;
 
+    GpioControl::setSpiPower(false);
     CPhoneDevice::TurnOnCameraPower(NULL);
     GpioControl::setSpiPower(true);
 
diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index d417b18a..0639a82f 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -1322,7 +1322,6 @@ bool CPhoneDevice::TakePhoto(const IDevice::PHOTO_INFO& photoInfo, const vector<
     }
 #endif
 
-    // GpioControl::EnableGpio(CMD_SET_CAM_3V3_EN_STATE, true);
     bool res = false;
 
     if (photoInfo.usbCamera)
diff --git a/app/src/main/cpp/SensorsProtocol.cpp b/app/src/main/cpp/SensorsProtocol.cpp
index d3f90c22..12d6ffa0 100644
--- a/app/src/main/cpp/SensorsProtocol.cpp
+++ b/app/src/main/cpp/SensorsProtocol.cpp
@@ -86,7 +86,11 @@ static void set12VEnable(bool z) {
 
 static void setCam3V3Enable(bool enabled)
 {
+#ifdef ENABLE_3V3_ALWAYS
+	setInt(CMD_SET_CAM_3V3_EN_STATE, 1);
+#else
 	setInt(CMD_SET_CAM_3V3_EN_STATE, enabled ? 1 : 0);
+#endif
 }
 
 #if 0
diff --git a/app/src/main/cpp/serial/WeatherComm.cpp b/app/src/main/cpp/serial/WeatherComm.cpp
index 01da9869..dabd6b61 100644
--- a/app/src/main/cpp/serial/WeatherComm.cpp
+++ b/app/src/main/cpp/serial/WeatherComm.cpp
@@ -142,11 +142,6 @@ static void set12VEnable(bool z) {
     setInt(CMD_SET_12V_EN_STATE, z ? 1 : 0);
 }
 
-static void setCam3V3Enable(bool enabled)
-{
-    setInt(CMD_SET_CAM_3V3_EN_STATE, enabled ? 1 : 0);
-}
-
 
 /*********************************************************************************
 *						            气象数据处理							         *