diff --git a/commands/cmd_jupyter b/commands/cmd_jupyter
new file mode 100644
index 0000000..0626241
--- /dev/null
+++ b/commands/cmd_jupyter
@@ -0,0 +1,10 @@
+# 启动 jupyter notebook 服务
+jupyter notebook
+# 启动 jupyter notebook 服务，并制定端口号
+jupyter notebook --port <port>
+# 将 ipynb 转为 html 格式
+jupyter nbconvert <filename>.ipynb
+# 将 ipynb 转为 html 格式，并指定输出目录
+jupyter nbconvert <filename>.ipynb --output-dir=<dirname>
+# 将 ipynb 转为 html 格式，并指定输出名称
+jupyter nbconvert <filename>.ipynb --output=<filename>
diff --git a/commands/cmd_mysql b/commands/cmd_mysql
new file mode 100644
index 0000000..4ca81c8
--- /dev/null
+++ b/commands/cmd_mysql
@@ -0,0 +1,10 @@
+# 查询 processlist
+show processlist;
+# 查询 processlist
+select * from information_schema.processlist;
+# 按客户端 IP 分组，看哪个客户端的链接数最多
+select client_ip,count(client_ip) as client_num from (select substring_index(host,':' ,1) as client_ip from information_schema.processlist ) as connect_info group by client_ip order by client_num desc;
+# 查看正在执行的线程，并按 Time 倒排序，看看有没有执行时间特别长的线程
+select * from information_schema.processlist where Command != 'Sleep' order by Time desc;
+# 找出所有执行时间超过 5 分钟的线程，拼凑出 kill 语句
+select concat('kill ', id, ';') from information_schema.processlist where Command != 'Sleep' and Time > 300 order by Time desc;
diff --git a/icon/jupyter.png b/icon/jupyter.png
new file mode 100644
index 0000000..253c89a
Binary files /dev/null and b/icon/jupyter.png differ
diff --git a/icon/mysql.png b/icon/mysql.png
new file mode 100644
index 0000000..734ba48
Binary files /dev/null and b/icon/mysql.png differ
diff --git a/info.plist b/info.plist
index fc1161c..75ab1d2 100644
--- a/info.plist
+++ b/info.plist
@@ -460,28 +460,23 @@
 		<dict>
 			<key>config</key>
 			<dict>
-				<key>concurrently</key>
-				<false/>
-				<key>escaping</key>
-				<integer>102</integer>
-				<key>script</key>
-				<string>$@ | while read line
-do
-	echo $line
-done</string>
-				<key>scriptargtype</key>
-				<integer>1</integer>
-				<key>scriptfile</key>
-				<string></string>
-				<key>type</key>
+				<key>argumenttype</key>
 				<integer>0</integer>
+				<key>keyword</key>
+				<string>run</string>
+				<key>subtext</key>
+				<string></string>
+				<key>text</key>
+				<string>执行命令并得到结果</string>
+				<key>withspace</key>
+				<true/>
 			</dict>
 			<key>type</key>
-			<string>alfred.workflow.action.script</string>
+			<string>alfred.workflow.input.keyword</string>
 			<key>uid</key>
-			<string>AEEE997C-352F-4019-BFEF-40480C5770E9</string>
+			<string>0FA3CA6F-AB00-446F-95B9-EAB309AA7AD4</string>
 			<key>version</key>
-			<integer>2</integer>
+			<integer>1</integer>
 		</dict>
 		<dict>
 			<key>config</key>
@@ -507,23 +502,28 @@ done</string>
 		<dict>
 			<key>config</key>
 			<dict>
-				<key>argumenttype</key>
-				<integer>0</integer>
-				<key>keyword</key>
-				<string>run</string>
-				<key>subtext</key>
+				<key>concurrently</key>
+				<false/>
+				<key>escaping</key>
+				<integer>102</integer>
+				<key>script</key>
+				<string>$@ | while read line
+do
+	echo $line
+done</string>
+				<key>scriptargtype</key>
+				<integer>1</integer>
+				<key>scriptfile</key>
 				<string></string>
-				<key>text</key>
-				<string>执行命令并得到结果</string>
-				<key>withspace</key>
-				<true/>
+				<key>type</key>
+				<integer>0</integer>
 			</dict>
 			<key>type</key>
-			<string>alfred.workflow.input.keyword</string>
+			<string>alfred.workflow.action.script</string>
 			<key>uid</key>
-			<string>0FA3CA6F-AB00-446F-95B9-EAB309AA7AD4</string>
+			<string>AEEE997C-352F-4019-BFEF-40480C5770E9</string>
 			<key>version</key>
-			<integer>1</integer>
+			<integer>2</integer>
 		</dict>
 		<dict>
 			<key>config</key>
@@ -775,7 +775,7 @@ echo -n $(nohup curl $1 -O &amp;)</string>
 	<key>variablesdontexport</key>
 	<array/>
 	<key>version</key>
-	<string>2020.06.01</string>
+	<string>2020.06.03</string>
 	<key>webaddress</key>
 	<string>https://github.com/wxnacy/alfred-commands-workflow</string>
 </dict>