diff --git a/src/main.c b/src/main.c
index 970ab42..d012f99 100644
--- a/src/main.c
+++ b/src/main.c
@@ -32,7 +32,7 @@ int main(void)
     rs485_com_config();
 
     bldc_config();
-    bldc_set_pwm(50);
+    bldc_set_pwm(80);
     delay_ms(5000);
     bldc_enable_set(SET);
 
diff --git a/startup/startup_gd32e23x.S b/startup/startup_gd32e23x.S
index 18e7846..e6301bc 100644
--- a/startup/startup_gd32e23x.S
+++ b/startup/startup_gd32e23x.S
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
                 .syntax  unified
-                .arch    armv8-m.base
+                .cpu     cortex-m23
                 .fpu     softvfp
                 .thumb