diff --git a/src/hal/hisi/v4_hal.c b/src/hal/hisi/v4_hal.c
index cf854bc..7a2d4df 100644
--- a/src/hal/hisi/v4_hal.c
+++ b/src/hal/hisi/v4_hal.c
@@ -402,6 +402,7 @@ int v4_region_setbitmap(int handle, hal_bitmap *bitmap)
 int v4_sensor_config(void) {
     int fd;
     v4_snr_dev config;
+    memset(&config, 0, sizeof(config));
     config.device = 0;
     config.input = v4_config.input_mode;
     config.rect.width = v4_config.isp.capt.width;
diff --git a/src/video.c b/src/video.c
index d6dd491..c851de9 100644
--- a/src/video.c
+++ b/src/video.c
@@ -359,7 +359,7 @@ int start_sdk() {
         pthread_attr_destroy(&thread_attr);
     }
 
-    if (!access(app_config.sensor_config, 0) ^ sleep(1))
+    if (!access(app_config.sensor_config, 0) && sleep(1))
         switch (plat) {
             case HAL_PLATFORM_I6: 
             case HAL_PLATFORM_I6B0: