added short key

src/core/keymap.js

-var keymap = KityMinder.keymap  = {
-    'Backspace' : 8,
-    'Tab' : 9,
-    'Enter' : 13,
+var keymap = KityMinder.keymap = {
+    'Backspace': 8,
+    'Tab': 9,
+    'Enter': 13,
 
-    'Shift' : 16,
-    'Control' : 17,
-    'Alt' : 18,
-    'CapsLock' : 20,
+    'Shift': 16,
+    'Control': 17,
+    'Alt': 18,
+    'CapsLock': 20,
 
     'Esc': 27,
 
-    'Spacebar' : 32,
+    'Spacebar': 32,
 
-    'PageUp' : 33,
-    'PageDown' : 34,
-    'End' : 35,
-    'Home' : 36,
+    'PageUp': 33,
+    'PageDown': 34,
+    'End': 35,
+    'Home': 36,
 
-    'Left' : 37,
-    'Up' : 38,
-    'Right' : 39,
-    'Down' : 40,
+    'Left': 37,
+    'Up': 38,
+    'Right': 39,
+    'Down': 40,
 
-    'Insert' : 45,
+    'Insert': 45,
 
-    'Del' : 46,
+    'Del': 46,
 
-    'NumLock' : 144,
+    'NumLock': 144,
 
-    'Cmd' : 91,
+    'Cmd': 91,
 
-    'F2' : 113,
-    'F3' : 114,
-    'F4' : 115,
+    'F2': 113,
+    'F3': 114,
+    'F4': 115,
 
-    '=' : 187,
-    '-' : 189,
+    '=': 187,
+    '-': 189,
 
-    "b" : 66,
-    'i' : 73,
+    "b": 66,
+    'i': 73,
     //回退
-    'z' : 90,
-    'y' : 89,
+    'z': 90,
+    'y': 89,
     //粘贴
-    'v' : 86,
-    'x' : 88,
+    'v': 86,
+    'x': 88,
 
-    's' : 83,
+    's': 83,
 
-    'n' : 78,
-    'notContentInput':{
-        8:1,
-        46:1,
-        13:1,
-        9:1,
-        33:1,
-        34:1,
-        35:1,
-        36:1,
-        16:1,
-        17:1,
-        18:1,
+    'n': 78,
+    '/': 191,
+    '.': 190,
+    'notContentInput': {
+        8: 1,
+        46: 1,
+        13: 1,
+        9: 1,
+        33: 1,
+        34: 1,
+        35: 1,
+        36: 1,
+        16: 1,
+        17: 1,
+        18: 1,
         //上下左右
-        37:1,38:1,39:1,40:1
+        37: 1,
+        38: 1,
+        39: 1,
+        40: 1
     },
-    'isSelectedNodeKey':{
+    'isSelectedNodeKey': {
         //上下左右
-        37:1,38:1,39:1,40:1,
-        13:1,
-        9:1
+        37: 1,
+        38: 1,
+        39: 1,
+        40: 1,
+        13: 1,
+        9: 1
     }
 };
\ No newline at end of file

src/module/expand.js

@@ -215,7 +215,8 @@ KityMinder.registerModule( "Expand", function () {
 			}
 		},
 		'addShortcutKeys': {
-
+			"ExpandNode": "ctrl+/", //expand
+			"CollapseNode": "ctrl+." //collapse
 		},
 		'commands': {
 			'ExpandNode': ExpandNodeCommand,