diff --git a/.config b/.config
index e75c088..8b75e98 100644
--- a/.config
+++ b/.config
@@ -23,7 +23,10 @@ CONFIG_RT_HOOK_USING_FUNC_PTR=y
 CONFIG_RT_USING_IDLE_HOOK=y
 CONFIG_RT_IDLE_HOOK_LIST_SIZE=4
 CONFIG_IDLE_THREAD_STACK_SIZE=1024
-# CONFIG_RT_USING_TIMER_SOFT is not set
+CONFIG_RT_USING_TIMER_SOFT=y
+CONFIG_RT_TIMER_THREAD_PRIO=4
+CONFIG_RT_TIMER_THREAD_STACK_SIZE=512
+# CONFIG_RT_USING_TIMER_ALL_SOFT is not set
 # CONFIG_RT_USING_CPU_USAGE_TRACER is not set
 
 #
@@ -326,7 +329,10 @@ CONFIG_RT_USING_POSIX_SOCKET=y
 # end of Interprocess Communication (IPC)
 # end of POSIX (Portable Operating System Interface) layer
 
-# CONFIG_RT_USING_CPLUSPLUS is not set
+CONFIG_RT_USING_CPLUSPLUS=y
+# CONFIG_RT_USING_CPLUSPLUS11 is not set
+# CONFIG_RT_USING_CPP_WRAPPER is not set
+# CONFIG_RT_USING_CPP_EXCEPTIONS is not set
 # end of C/C++ and POSIX layer
 
 #
@@ -929,7 +935,12 @@ CONFIG_PKG_RT_VSNPRINTF_FULL_VER="latest"
 # CONFIG_PKG_USING_CAIRO is not set
 # CONFIG_PKG_USING_PIXMAN is not set
 # CONFIG_PKG_USING_PARTITION is not set
-# CONFIG_PKG_USING_PERF_COUNTER is not set
+CONFIG_PKG_USING_PERF_COUNTER=y
+CONFIG_PKG_PERF_COUNTER_PATH="/packages/system/perf_counter"
+# CONFIG_PKG_PERF_COUNTER_USING_THREAD_STATISTIC is not set
+CONFIG_PKG_USING_PERF_COUNTER_V2241=y
+# CONFIG_PKG_USING_PERF_COUNTER_LATEST_VERSION is not set
+CONFIG_PKG_PERF_COUNTER_VER="v2.2.4.1"
 # CONFIG_PKG_USING_FILEX is not set
 # CONFIG_PKG_USING_LEVELX is not set
 # CONFIG_PKG_USING_FLASHDB is not set
@@ -1146,14 +1157,10 @@ CONFIG_NEC_DEVIATION=100
 # end of Select infrared decoder
 
 CONFIG_PKG_USING_DRV_INFRARED=y
-CONFIG_INFRARED_SEND=y
-CONFIG_INFRARED_SEND_PWM="pwm3"
-CONFIG_INFRARED_PWM_DEV_CHANNEL=4
-CONFIG_INFRARED_SEND_HWTIMER="timer13"
-CONFIG_INFRARED_MAX_SEND_SIZE=1000
+# CONFIG_INFRARED_SEND is not set
 CONFIG_INFRARED_RECEIVE=y
 CONFIG_INFRARED_RECEIVE_PIN=88
-CONFIG_INFRARED_RECEIVE_HWTIMER="timer14"
+CONFIG_INFRARED_RECEIVE_HWTIMER="timer11"
 # CONFIG_PKG_USING_INFRARED_V010 is not set
 CONFIG_PKG_USING_INFRARED_V011=y
 # CONFIG_PKG_USING_INFRARED_LATEST_VERSION is not set
@@ -1646,7 +1653,7 @@ CONFIG_BSP_USING_UART6=y
 # CONFIG_BSP_UART6_RX_USING_DMA is not set
 # CONFIG_BSP_UART6_TX_USING_DMA is not set
 CONFIG_BSP_USING_TIM=y
-# CONFIG_BSP_USING_TIM11 is not set
+CONFIG_BSP_USING_TIM11=y
 CONFIG_BSP_USING_TIM13=y
 CONFIG_BSP_USING_TIM14=y
 CONFIG_BSP_USING_PWM=y
diff --git a/.gitignore b/.gitignore
index 7221bde..8d20e22 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,4 @@ RTE/
 settings/
 *.uvguix*
 cconfig.h
+Arduino-IRremote-master
diff --git a/my_error/README.md b/my_error/README.md
index 36bbd1b..d422f5d 100644
--- a/my_error/README.md
+++ b/my_error/README.md
@@ -17,6 +17,8 @@
 总算可以了
 调整好针脚等可以运行了，但一闪一闪的，估计是线程切换的原因？
 注释掉红外线线程，也没有用，改了优先级终于可以了
+**破案了！lcd、红外线用的同一个timer14，[哭笑不得]😂**
+换了个timer11就不闪了！！！
 ``` c
 Snake_Thread = rt_thread_create("Snake_Thread", snake_entry, RT_NULL, THREAD_STACK_SIZE, 10, THREAD_TIMESLICE);
 ```
@@ -54,4 +56,47 @@ if(page_chosen == 1)
 {
     rt_mdelay(1000);
 }
-```
\ No newline at end of file
+```
+
+### 附：ringbuffer（环形缓冲区）
+注意：RT-Thread 的 ringbuffer 组件并未提供线程阻塞的功能，因此 ringbuffer 本质上是一个全局共享的对象，多线程使用时注意使用互斥锁保护。
+![alt text](image-3.png)
+``` c
+#include <rtthread.h>
+#include <ipc/ringbuffer.h>
+
+typedef struct rb_example {
+    int a;
+    int b;
+} rb_example_t;
+
+int ringbuffer_example(void)
+{
+    rb_example_t data = {
+        .a = 1,
+        .b = 2,
+    };
+
+    struct rt_ringbuffer * rb = rt_ringbuffer_create(sizeof(rb_example_t) * 2);
+    RT_ASSERT(rb != RT_NULL);
+
+    rt_kprintf("Put data to   ringbuffer, a: %d b: %d size: %d\n", data.a, data.b, sizeof(data));
+    rt_ringbuffer_put(rb, (rt_uint8_t *)&data, sizeof(data));
+
+
+    rb_example_t recv_data;
+    rt_size_t recv = rt_ringbuffer_get(rb, (rt_uint8_t *)&recv_data, sizeof(recv_data));
+    RT_ASSERT(recv == sizeof(recv_data));
+    rt_kprintf("Get data from ringbuffer, a: %d b: %d size: %d\n", recv_data.a, recv_data.b, sizeof(recv_data));
+
+    return 0;
+}
+
+MSH_CMD_EXPORT(ringbuffer_example, ringbuffer example);
+
+```
+
+### union（联合体）
+约等于结构体
+1. 可以通过v.u来操作一个uint32类型的对象，当需要将uint32变量的低端字节看做一个字符的时候，只需要访问v.c就可以了
+2. 共享同一块大小的内存
\ No newline at end of file
diff --git a/my_error/image-3.png b/my_error/image-3.png
new file mode 100644
index 0000000..6fa1a27
Binary files /dev/null and b/my_error/image-3.png differ
diff --git a/my_pro/myinfrared.c b/my_pro/myinfrared.c
index f6d9120..2dc5dbc 100644
--- a/my_pro/myinfrared.c
+++ b/my_pro/myinfrared.c
@@ -25,21 +25,21 @@ void snake_compare(rt_uint8_t key)
     rt_sprintf(tmp, "%02X", key);
     rt_atomic_store(&snake_pressed, snake_max + 1);
 
-    if (rt_strcmp(tmp, "30") == 0)
+    if (rt_strcmp(tmp, "30") == 0|| rt_strcmp(tmp, "53") == 0)
         if (rt_atomic_load(&now_direction) != 2)
             rt_atomic_store(&now_direction, 0);
 
-    if (rt_strcmp(tmp, "E8") == 0)
+    if (rt_strcmp(tmp, "E8") == 0|| rt_strcmp(tmp, "99") == 0)
         if (rt_atomic_load(&now_direction) != 3)
             rt_atomic_store(&now_direction, 1);
-    if (rt_strcmp(tmp, "B0") == 0)
+    if (rt_strcmp(tmp, "B0") == 0|| rt_strcmp(tmp, "4B") == 0)
         if (rt_atomic_load(&now_direction) != 0)
             rt_atomic_store(&now_direction, 2);
-    if (rt_strcmp(tmp, "68") == 0)
+    if (rt_strcmp(tmp, "68") == 0|| rt_strcmp(tmp, "83") == 0)
         if (rt_atomic_load(&now_direction) != 1)
             rt_atomic_store(&now_direction, 3);
-    if (rt_strcmp(tmp, "88") == 0)
-        page_chosen = (page_chosen % PAGE_MAX) + 1;
+    // if (rt_strcmp(tmp, "88") == 0)
+    //     page_chosen = (page_chosen % PAGE_MAX) + 1;
 }
 
 void myir_entry(void *parameter)
diff --git a/my_pro/myproject.c b/my_pro/myproject.c
index 5bcb386..9d42032 100644
--- a/my_pro/myproject.c
+++ b/my_pro/myproject.c
@@ -199,14 +199,14 @@ void tmp_payload(void)
     // sprintf(tmp, "Temp: %.1f;Humi: %.1f;Count: %d\n", Temp, Humi,++cnt);
     // rt_kprintf("\n%f %f tmp:%s\n",Humi,Temp,tmp);
     // make_file();
-    if (page_chosen == 2)
-    {
-        show_lcd();
-    }
-    if (ps_data > 14)
-    {
-        page_chosen = (page_chosen % PAGE_MAX) + 1;
-    }
+    // if (page_chosen == 2)
+    // {
+    //     show_lcd();
+    // }
+    // if (ps_data > 14)
+    // {
+    //     page_chosen = (page_chosen % PAGE_MAX) + 1;
+    // }
     sprintf(tmp, "{\"params\":{\"temperature\":%.2f,\"humidity\":%.2f,\"LightLux\":%.2f,\"Psdata\":%d,\"Snakelen\":%d}}", Temp, Humi, brightness, ps_data, snake_len);
     return;
 }
diff --git a/rtconfig.h b/rtconfig.h
index 1945822..8179643 100644
--- a/rtconfig.h
+++ b/rtconfig.h
@@ -17,6 +17,9 @@
 #define RT_USING_IDLE_HOOK
 #define RT_IDLE_HOOK_LIST_SIZE 4
 #define IDLE_THREAD_STACK_SIZE 1024
+#define RT_USING_TIMER_SOFT
+#define RT_TIMER_THREAD_PRIO 4
+#define RT_TIMER_THREAD_STACK_SIZE 512
 
 /* kservice optimization */
 
@@ -203,6 +206,7 @@
 
 /* end of Interprocess Communication (IPC) */
 /* end of POSIX (Portable Operating System Interface) layer */
+#define RT_USING_CPLUSPLUS
 /* end of C/C++ and POSIX layer */
 
 /* Network */
@@ -458,6 +462,8 @@
 /* Micrium: Micrium software products porting for RT-Thread */
 
 /* end of Micrium: Micrium software products porting for RT-Thread */
+#define PKG_USING_PERF_COUNTER
+#define PKG_USING_PERF_COUNTER_V2241
 /* end of system packages */
 
 /* peripheral libraries and drivers */
@@ -499,14 +505,9 @@
 #define NEC_DEVIATION 100
 /* end of Select infrared decoder */
 #define PKG_USING_DRV_INFRARED
-#define INFRARED_SEND
-#define INFRARED_SEND_PWM "pwm3"
-#define INFRARED_PWM_DEV_CHANNEL 4
-#define INFRARED_SEND_HWTIMER "timer13"
-#define INFRARED_MAX_SEND_SIZE 1000
 #define INFRARED_RECEIVE
 #define INFRARED_RECEIVE_PIN 88
-#define INFRARED_RECEIVE_HWTIMER "timer14"
+#define INFRARED_RECEIVE_HWTIMER "timer11"
 #define PKG_USING_INFRARED_V011
 /* end of peripheral libraries and drivers */
 
@@ -624,6 +625,7 @@
 #define BSP_USING_UART1
 #define BSP_USING_UART6
 #define BSP_USING_TIM
+#define BSP_USING_TIM11
 #define BSP_USING_TIM13
 #define BSP_USING_TIM14
 #define BSP_USING_PWM