Update mqtt.c

mqtt.c

@@ -148,7 +148,7 @@ void message_3(cJSON *body,cJSON *pwm_ctrl)//message_type为3，控制pwm
         cJSON *val =   cJSON_GetObjectItem(pwm_ctrl, "val");  //val为pwm的值 0~100(unsigned char)(unsigned char)
         gmodeTemp= mode->valueint;
         gtypeTemp=type->valueint;
-        gvalTemp= val->valueint*3/4;
+        gvalTemp= val->valueint;
         if(gtypeTemp==3)
         {
             gvalTemp= val->valueint;