diff --git a/tutorials/katacoda/command-keymap-cn/custom-shortcuts.md b/tutorials/katacoda/command-keymap-cn/custom-shortcuts.md
index 0391fe335..da528bad4 100644
--- a/tutorials/katacoda/command-keymap-cn/custom-shortcuts.md
+++ b/tutorials/katacoda/command-keymap-cn/custom-shortcuts.md
@@ -56,6 +56,8 @@
 
 `java -jar arthas-boot.jar`{{execute interrupt}}
 
+`1`{{execute T2}}
+
 最后执行下面命令查看效果：
 
 `keymap | grep C-h`{{execute T2}}
\ No newline at end of file
diff --git a/tutorials/katacoda/command-keymap-cn/default-keymap.md b/tutorials/katacoda/command-keymap-cn/default-keymap.md
index 6bf094f87..1c1e5fc33 100644
--- a/tutorials/katacoda/command-keymap-cn/default-keymap.md
+++ b/tutorials/katacoda/command-keymap-cn/default-keymap.md
@@ -21,6 +21,6 @@
 | `"\C-x\e[3~"`  |  | backward-kill-line  |  |
 | `"\e\C-?"`  |  | backward-kill-word  |  |			
 
-任何时候使用 `tab`{{execute T2}}键，会根据当前的输入给出提示
+任何时候使用 `tab`键，会根据当前的输入给出提示
 
 命令后敲 `-` 或 `--` ，然后按 `tab` 键，可以展示出此命令具体的选项
diff --git a/tutorials/katacoda/command-keymap-en/custom-shortcuts.md b/tutorials/katacoda/command-keymap-en/custom-shortcuts.md
index e666f140c..52ebde986 100644
--- a/tutorials/katacoda/command-keymap-en/custom-shortcuts.md
+++ b/tutorials/katacoda/command-keymap-en/custom-shortcuts.md
@@ -56,6 +56,8 @@ Then reconnect to Arthas console to take effect.
 
 `java -jar arthas-boot.jar`{{execute interrupt}}
 
+`1`{{execute T2}}
+
 Finally you can see the modification by executing
 
 `keymap | grep C-h`{{execute T2}}
diff --git a/tutorials/katacoda/command-keymap-en/default-keymap.md b/tutorials/katacoda/command-keymap-en/default-keymap.md
index 97a7f1b9f..03e1ed902 100644
--- a/tutorials/katacoda/command-keymap-en/default-keymap.md
+++ b/tutorials/katacoda/command-keymap-en/default-keymap.md
@@ -21,6 +21,6 @@
 | `"\C-x\e[3~"`  |  | backward-kill-line  |  |
 | `"\e\C-?"`  |  | backward-kill-word  |  |
 
-Press `tab`{{execute T2}} to enable auto-completion prompt at any time.
+Press `tab` to enable auto-completion prompt at any time.
 
 Enter command and `-` or `--`, then press `tab` to display the concrete options for the current command.
diff --git a/tutorials/katacoda/command-monitor-cn/monitor.md b/tutorials/katacoda/command-monitor-cn/monitor.md
index 5d4f6c5c6..54d4943c5 100644
--- a/tutorials/katacoda/command-monitor-cn/monitor.md
+++ b/tutorials/katacoda/command-monitor-cn/monitor.md
@@ -37,6 +37,8 @@
 
 `monitor -c 5 demo.MathGame primeFactors`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ monitor -c 5 demo.MathGame primeFactors
 Press Ctrl+C to abort.
diff --git a/tutorials/katacoda/command-monitor-en/monitor.md b/tutorials/katacoda/command-monitor-en/monitor.md
index 4ad681120..b2c3ea544 100644
--- a/tutorials/katacoda/command-monitor-en/monitor.md
+++ b/tutorials/katacoda/command-monitor-en/monitor.md
@@ -39,6 +39,8 @@ Parameter `[c:]` stands for cycles of statistics. Its value is an integer value
 
 `monitor -c 5 demo.MathGame primeFactors`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ monitor -c 5 demo.MathGame primeFactors
 Press Ctrl+C to abort.
diff --git a/tutorials/katacoda/command-stack-cn/stack.md b/tutorials/katacoda/command-stack-cn/stack.md
index 6357bf801..22f6f341f 100644
--- a/tutorials/katacoda/command-stack-cn/stack.md
+++ b/tutorials/katacoda/command-stack-cn/stack.md
@@ -26,6 +26,8 @@
 
 `stack demo.MathGame primeFactors`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ stack demo.MathGame primeFactors
 Press Ctrl+C to abort.
@@ -39,6 +41,8 @@ ts=2018-12-04 01:32:19;thread_name=main;id=1;is_daemon=false;priority=5;TCCL=sun
 
 `stack demo.MathGame primeFactors 'params[0]<0' -n 2`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ stack demo.MathGame primeFactors 'params[0]<0' -n 2
 Press Ctrl+C to abort.
@@ -59,6 +63,8 @@ Command execution times exceed limit: 2, so command will exit. You can set it wi
 
 `stack demo.MathGame primeFactors '#cost>5'`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ stack demo.MathGame primeFactors '#cost>5'
 Press Ctrl+C to abort.
diff --git a/tutorials/katacoda/command-stack-en/stack.md b/tutorials/katacoda/command-stack-en/stack.md
index 8deadb49c..5b1778b12 100644
--- a/tutorials/katacoda/command-stack-en/stack.md
+++ b/tutorials/katacoda/command-stack-en/stack.md
@@ -26,6 +26,8 @@ Thanks for `advice`'s data structure, it is possible to observe from varieties o
 
 `stack demo.MathGame primeFactors`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ stack demo.MathGame primeFactors
 Press Ctrl+C to abort.
@@ -39,6 +41,8 @@ ts=2018-12-04 01:32:19;thread_name=main;id=1;is_daemon=false;priority=5;TCCL=sun
 
 `stack demo.MathGame primeFactors 'params[0]<0' -n 2`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ stack demo.MathGame primeFactors 'params[0]<0' -n 2
 Press Ctrl+C to abort.
@@ -59,6 +63,8 @@ Command execution times exceed limit: 2, so command will exit. You can set it wi
 
 `stack demo.MathGame primeFactors '#cost>5'`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ stack demo.MathGame primeFactors '#cost>5'
 Press Ctrl+C to abort.
diff --git a/tutorials/katacoda/command-trace-cn/trace.md b/tutorials/katacoda/command-trace-cn/trace.md
index 0b5d0ee25..0f1f0d789 100644
--- a/tutorials/katacoda/command-trace-cn/trace.md
+++ b/tutorials/katacoda/command-trace-cn/trace.md
@@ -43,6 +43,8 @@
 
 `trace demo.MathGame run`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ trace demo.MathGame run
 Press Q or Ctrl+C to abort.
@@ -62,6 +64,8 @@ Affect(class-cnt:1 , method-cnt:1) cost in 28 ms.
 
 `trace demo.MathGame run -n 1`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ trace demo.MathGame run -n 1
 Press Q or Ctrl+C to abort.
@@ -81,6 +85,8 @@ Command execution times exceed limit: 1, so command will exit. You can set it wi
 
 `trace --skipJDKMethod false demo.MathGame run`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 默认情况下，trace不会包含jdk里的函数调用，如果希望trace jdk里的函数，需要显式设置`--skipJDKMethod false`。
 
 ```bash
@@ -116,6 +122,8 @@ Affect(class-cnt:1 , method-cnt:1) cost in 60 ms.
 
 `trace demo.MathGame run '#cost > 10'`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ trace demo.MathGame run '#cost > 10'
 Press Ctrl+C to abort.
@@ -153,6 +161,8 @@ trace -E com.test.ClassA|org.test.ClassB method1|method2|method3
 
 `trace demo.MathGame run`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 [arthas@59161]$ trace demo.MathGame run
 Press Q or Ctrl+C to abort.
@@ -171,6 +181,8 @@ Affect(class count: 1 , method count: 1) cost in 112 ms, listenerId: 1
 
 `trace demo.MathGame primeFactors --listenerId 1`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 [arthas@59161]$ trace demo.MathGame primeFactors --listenerId 1
 Press Q or Ctrl+C to abort.
diff --git a/tutorials/katacoda/command-trace-en/trace.md b/tutorials/katacoda/command-trace-en/trace.md
index 02074fb84..b61217674 100644
--- a/tutorials/katacoda/command-trace-en/trace.md
+++ b/tutorials/katacoda/command-trace-en/trace.md
@@ -40,6 +40,8 @@ After version 3.3.0, you can use the Dynamic Trace feature to add new matching c
 
 `trace demo.MathGame run`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ trace demo.MathGame run
 Press Q or Ctrl+C to abort.
@@ -60,6 +62,8 @@ If the method invoked many times, use `-n` options to specify trace times. For e
 
 `trace demo.MathGame run -n 1`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ trace demo.MathGame run -n 1
 Press Q or Ctrl+C to abort.
@@ -78,6 +82,8 @@ Command execution times exceed limit: 1, so command will exit. You can set it wi
 
 `trace --skipJDKMethod false demo.MathGame run`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ trace --skipJDKMethod false demo.MathGame run
 Press Q or Ctrl+C to abort.
@@ -111,6 +117,8 @@ Affect(class-cnt:1 , method-cnt:1) cost in 60 ms.
 
 `trace demo.MathGame run '#cost > 10'`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ trace demo.MathGame run '#cost > 10'
 Press Ctrl+C to abort.
@@ -149,6 +157,8 @@ Open terminal 1, trace the `run` method, and you can see the printout `listenerI
 
 `trace demo.MathGame run`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 [arthas@59161]$ trace demo.MathGame run
 Press Q or Ctrl+C to abort.
@@ -167,6 +177,8 @@ Now to drill down into the sub method `primeFactors`, you can open a new termina
 
 `trace demo.MathGame primeFactors --listenerId 1`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 [arthas@59161]$ trace demo.MathGame primeFactors --listenerId 1
 Press Q or Ctrl+C to abort.
diff --git a/tutorials/katacoda/command-tt-cn/tt.md b/tutorials/katacoda/command-tt-cn/tt.md
index f4d34b3da..c0c5730ef 100644
--- a/tutorials/katacoda/command-tt-cn/tt.md
+++ b/tutorials/katacoda/command-tt-cn/tt.md
@@ -15,6 +15,8 @@
 
 `tt -t demo.MathGame primeFactors`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ tt -t demo.MathGame primeFactors
 Press Ctrl+C to abort.
diff --git a/tutorials/katacoda/command-tt-en/tt.md b/tutorials/katacoda/command-tt-en/tt.md
index 9a3306737..5b3551cb5 100644
--- a/tutorials/katacoda/command-tt-en/tt.md
+++ b/tutorials/katacoda/command-tt-en/tt.md
@@ -13,6 +13,8 @@ With the help of `tt` (*TimeTunnel*), you can check the contexts of the methods
 
 `tt -t demo.MathGame primeFactors`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ tt -t demo.MathGame primeFactors
 Press Ctrl+C to abort.
diff --git a/tutorials/katacoda/command-watch-cn/watch.md b/tutorials/katacoda/command-watch-cn/watch.md
index 42044cfd1..c218b1c20 100644
--- a/tutorials/katacoda/command-watch-cn/watch.md
+++ b/tutorials/katacoda/command-watch-cn/watch.md
@@ -40,6 +40,8 @@ watch 的参数比较多，主要是因为它能在 4 个不同的场景观察
 
 `watch demo.MathGame primeFactors "{params,returnObj}" -x 2`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ watch demo.MathGame primeFactors "{params,returnObj}" -x 2
 Press Ctrl+C to abort.
@@ -61,6 +63,8 @@ ts=2018-12-03 19:16:51; [cost=1.280502ms] result=@ArrayList[
 
 `watch demo.MathGame primeFactors "{params,returnObj}" -x 2 -b`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ watch demo.MathGame primeFactors "{params,returnObj}" -x 2 -b
 Press Ctrl+C to abort.
@@ -80,6 +84,8 @@ ts=2018-12-03 19:23:23; [cost=0.0353ms] result=@ArrayList[
 
 `watch demo.MathGame primeFactors "{params,target,returnObj}" -x 2 -b -s -n 2`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ watch demo.MathGame primeFactors "{params,target,returnObj}" -x 2 -b -s -n 2
 Press Ctrl+C to abort.
@@ -125,6 +131,8 @@ ts=2018-12-03 19:29:54; [cost=4.277392ms] result=@ArrayList[
 
 `watch demo.MathGame primeFactors "{params,target}" -x 3`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ watch demo.MathGame primeFactors "{params,target}" -x 3
 Press Ctrl+C to abort.
@@ -163,6 +171,8 @@ ts=2018-12-03 19:34:19; [cost=0.587833ms] result=@ArrayList[
 
 `watch demo.MathGame primeFactors "{params[0],target}" "params[0]<0"`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ watch demo.MathGame primeFactors "{params[0],target}" "params[0]<0"
 Press Ctrl+C to abort.
@@ -184,15 +194,21 @@ ts=2018-12-03 19:36:04; [cost=0.530255ms] result=@ArrayList[
   * 根据参数类型进行过滤
 
    `watch demo.MathGame primeFactors '{params, params[0].class.name}' 'params[0].class.name == "java.lang.Integer"'`{{execute T2}}
+
+   按`Q`{{execute T2}}或者`Ctrl+c`退出
    
  * 根据参数个数进行过滤
    
   `watch demo.MathGame primeFactors '{params, params.length}' 'params.length==1'`{{execute T2}}
 
+  按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 #### 观察异常信息的例子
 
 `watch demo.MathGame primeFactors "{params[0],throwExp}" -e -x 2`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ watch demo.MathGame primeFactors "{params[0],throwExp}" -e -x 2
 Press Ctrl+C to abort.
@@ -214,10 +230,14 @@ ts=2018-12-03 19:38:00; [cost=1.414993ms] result=@ArrayList[
 
 `watch demo.MathGame primeFactors '{params, throwExp}' '#msg=throwExp.toString(), #msg.contains("IllegalArgumentException")' -e -x 2`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 #### 按照耗时进行过滤
 
 `watch demo.MathGame primeFactors '{params, returnObj}' '#cost>200' -x 2`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ watch demo.MathGame primeFactors '{params, returnObj}' '#cost>200' -x 2
 Press Ctrl+C to abort.
@@ -240,6 +260,8 @@ ts=2018-12-03 19:40:28; [cost=2112.168897ms] result=@ArrayList[
 
 `watch demo.MathGame primeFactors 'target'`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 如果想查看方法运行前后，当前对象中的属性，可以使用`target`关键字，代表当前对象
 
 ```bash
@@ -256,6 +278,8 @@ ts=2018-12-03 19:41:52; [cost=0.477882ms] result=@MathGame[
 
 `watch demo.MathGame primeFactors 'target.illegalArgumentCount'`{{execute T2}}
 
+按`Q`{{execute T2}}或者`Ctrl+c`退出
+
 ```bash
 $ watch demo.MathGame primeFactors 'target.illegalArgumentCount'
 Press Ctrl+C to abort.
diff --git a/tutorials/katacoda/command-watch-en/watch.md b/tutorials/katacoda/command-watch-en/watch.md
index 4055a2a36..782e7320b 100644
--- a/tutorials/katacoda/command-watch-en/watch.md
+++ b/tutorials/katacoda/command-watch-en/watch.md
@@ -38,6 +38,8 @@ Advanced:
 
 `watch demo.MathGame primeFactors "{params,returnObj}" -x 2`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ watch demo.MathGame primeFactors "{params,returnObj}" -x 2
 Press Ctrl+C to abort.
@@ -59,6 +61,8 @@ ts=2018-12-03 19:16:51; [cost=1.280502ms] result=@ArrayList[
 
 `watch demo.MathGame primeFactors "{params,returnObj}" -x 2 -b`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ watch demo.MathGame primeFactors "{params,returnObj}" -x 2 -b
 Press Ctrl+C to abort.
@@ -80,6 +84,8 @@ Compared to the previous *check*:
 
 `watch demo.MathGame primeFactors "{params,target,returnObj}" -x 2 -b -s -n 2`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ watch demo.MathGame primeFactors "{params,target,returnObj}" -x 2 -b -s -n 2
 Press Ctrl+C to abort.
@@ -125,6 +131,8 @@ F.Y.I
 
 `watch demo.MathGame primeFactors "{params,target}" -x 3`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ watch demo.MathGame primeFactors "{params,target}" -x 3
 Press Ctrl+C to abort.
@@ -162,6 +170,8 @@ ts=2018-12-03 19:34:19; [cost=0.587833ms] result=@ArrayList[
 
 `watch demo.MathGame primeFactors "{params[0],target}" "params[0]<0"`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ watch demo.MathGame primeFactors "{params[0],target}" "params[0]<0"
 Press Ctrl+C to abort.
@@ -184,14 +194,20 @@ If there are other overloaded methods with the same name in the watch method, yo
 
    `watch demo.MathGame primeFactors '{params, params[0].class.name}' 'params[0].class.name == "java.lang.Integer"'`{{execute T2}}
 
+   Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
   * Filter according to the number of parameters
   
   `watch demo.MathGame primeFactors '{params, params.length}' 'params.length==1'`{{execute T2}}
 
+  Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 #### Check `exceptions`
 
 `watch demo.MathGame primeFactors "{params[0],throwExp}" -e -x 2`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ watch demo.MathGame primeFactors "{params[0],throwExp}" -e -x 2
 Press Ctrl+C to abort.
@@ -213,10 +229,14 @@ Filter according to exception type or message:
 
 `watch demo.MathGame primeFactors '{params, throwExp}' '#msg=throwExp.toString(), #msg.contains("IllegalArgumentException")' -e -x 2`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 #### Filter by time cost
 
 `watch demo.MathGame primeFactors '{params, returnObj}' '#cost>200' -x 2`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ watch demo.MathGame primeFactors '{params, returnObj}' '#cost>200' -x 2
 Press Ctrl+C to abort.
@@ -241,6 +261,8 @@ ts=2018-12-03 19:40:28; [cost=2112.168897ms] result=@ArrayList[
 
 `watch demo.MathGame primeFactors 'target'`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ watch demo.MathGame primeFactors 'target'
 Press Ctrl+C to abort.
@@ -255,6 +277,8 @@ ts=2018-12-03 19:41:52; [cost=0.477882ms] result=@MathGame[
 
 `watch demo.MathGame primeFactors 'target.illegalArgumentCount'`{{execute T2}}
 
+Press `Q`{{execute T2}} or `Ctrl+C` to abort
+
 ```bash
 $ watch demo.MathGame primeFactors 'target.illegalArgumentCount'
 Press Ctrl+C to abort.