diff --git a/package-lock.json b/package-lock.json
index 754d372..c45552d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,403 +1,789 @@
-{
-    "name": "nochat",
-    "version": "0.4.0",
-    "lockfileVersion": 1,
-    "requires": true,
-    "dependencies": {
-        "active-x-obfuscator": {
-            "version": "0.0.1",
-            "resolved": "http://registry.npm.taobao.org/active-x-obfuscator/download/active-x-obfuscator-0.0.1.tgz",
-            "integrity": "sha1-CJuJs3FF/x2ex0r2UwvlUmyuHxo=",
-            "requires": {
-                "zeparser": "0.0.5"
-            }
-        },
-        "base64id": {
-            "version": "0.1.0",
-            "resolved": "http://registry.npm.taobao.org/base64id/download/base64id-0.1.0.tgz",
-            "integrity": "sha1-As4P3u4M709ACA4ec+g08LG/zj8="
-        },
-        "batch": {
-            "version": "0.5.0",
-            "resolved": "http://registry.npm.taobao.org/batch/download/batch-0.5.0.tgz",
-            "integrity": "sha1-/S4Fp6XWlrTbkxQBPihdj/NVfsM="
-        },
-        "buffer-crc32": {
-            "version": "0.2.1",
-            "resolved": "http://registry.npm.taobao.org/buffer-crc32/download/buffer-crc32-0.2.1.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fbuffer-crc32%2Fdownload%2Fbuffer-crc32-0.2.1.tgz",
-            "integrity": "sha1-vj5TgvwCttYySVasGvmKqYsIU0w="
-        },
-        "bytes": {
-            "version": "0.2.1",
-            "resolved": "http://registry.npm.taobao.org/bytes/download/bytes-0.2.1.tgz",
-            "integrity": "sha1-VVsIq8sGP4l1kFMCUj5M1P/f3zE="
-        },
-        "commander": {
-            "version": "1.3.2",
-            "resolved": "http://registry.npm.taobao.org/commander/download/commander-1.3.2.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fcommander%2Fdownload%2Fcommander-1.3.2.tgz",
-            "integrity": "sha1-io8w7GcKb91kr1LxkUuQfXnq1bU=",
-            "requires": {
-                "keypress": "0.1.x"
-            }
-        },
-        "connect": {
-            "version": "2.12.0",
-            "resolved": "http://registry.npm.taobao.org/connect/download/connect-2.12.0.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fconnect%2Fdownload%2Fconnect-2.12.0.tgz",
-            "integrity": "sha1-Mdj6DcrN8ZCNgivSkjvootKn7Zo=",
-            "requires": {
-                "batch": "0.5.0",
-                "buffer-crc32": "0.2.1",
-                "bytes": "0.2.1",
-                "cookie": "0.1.0",
-                "cookie-signature": "1.0.1",
-                "debug": ">= 0.7.3 < 1",
-                "fresh": "0.2.0",
-                "methods": "0.1.0",
-                "multiparty": "2.2.0",
-                "negotiator": "0.3.0",
-                "pause": "0.0.1",
-                "qs": "0.6.6",
-                "raw-body": "1.1.2",
-                "send": "0.1.4",
-                "uid2": "0.0.3"
-            }
-        },
-        "cookie": {
-            "version": "0.1.0",
-            "resolved": "http://registry.npm.taobao.org/cookie/download/cookie-0.1.0.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fcookie%2Fdownload%2Fcookie-0.1.0.tgz",
-            "integrity": "sha1-kOtGndzpBchm3mh+/EMTHYgB+dA="
-        },
-        "cookie-parser": {
-            "version": "1.4.4",
-            "resolved": "http://registry.npm.taobao.org/cookie-parser/download/cookie-parser-1.4.4.tgz",
-            "integrity": "sha1-5jY95OqYw975aXuTQhwJ8wz10Yg=",
-            "requires": {
-                "cookie": "0.3.1",
-                "cookie-signature": "1.0.6"
-            },
-            "dependencies": {
-                "cookie": {
-                    "version": "0.3.1",
-                    "resolved": "http://registry.npm.taobao.org/cookie/download/cookie-0.3.1.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fcookie%2Fdownload%2Fcookie-0.3.1.tgz",
-                    "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
-                },
-                "cookie-signature": {
-                    "version": "1.0.6",
-                    "resolved": "http://registry.npm.taobao.org/cookie-signature/download/cookie-signature-1.0.6.tgz",
-                    "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
-                }
-            }
-        },
-        "cookie-signature": {
-            "version": "1.0.1",
-            "resolved": "http://registry.npm.taobao.org/cookie-signature/download/cookie-signature-1.0.1.tgz",
-            "integrity": "sha1-ROByFIrwHm6OJK+/EmkNaK5pjss="
-        },
-        "core-util-is": {
-            "version": "1.0.2",
-            "resolved": "http://registry.npm.taobao.org/core-util-is/download/core-util-is-1.0.2.tgz",
-            "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
-        },
-        "crc": {
-            "version": "3.4.4",
-            "resolved": "http://registry.npm.taobao.org/crc/download/crc-3.4.4.tgz",
-            "integrity": "sha1-naHpgOO9RPxck79as9ozeNheRms="
-        },
-        "debug": {
-            "version": "0.8.1",
-            "resolved": "http://registry.npm.taobao.org/debug/download/debug-0.8.1.tgz",
-            "integrity": "sha1-IP9NJvXkIstoobrLu2EDmtjBwTA="
-        },
-        "depd": {
-            "version": "1.1.2",
-            "resolved": "http://registry.npm.taobao.org/depd/download/depd-1.1.2.tgz",
-            "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak="
-        },
-        "express": {
-            "version": "3.4.8",
-            "resolved": "http://registry.npm.taobao.org/express/download/express-3.4.8.tgz",
-            "integrity": "sha1-qnqJht4HBTM39Lxe2aZFPZzI4uE=",
-            "requires": {
-                "buffer-crc32": "0.2.1",
-                "commander": "1.3.2",
-                "connect": "2.12.0",
-                "cookie": "0.1.0",
-                "cookie-signature": "1.0.1",
-                "debug": ">= 0.7.3 < 1",
-                "fresh": "0.2.0",
-                "merge-descriptors": "0.0.1",
-                "methods": "0.1.0",
-                "mkdirp": "0.3.5",
-                "range-parser": "0.0.4",
-                "send": "0.1.4"
-            }
-        },
-        "express-session": {
-            "version": "1.15.6",
-            "resolved": "http://registry.npm.taobao.org/express-session/download/express-session-1.15.6.tgz",
-            "integrity": "sha1-R7QWDIj0KrcP6KUI4xy/92dXqwo=",
-            "requires": {
-                "cookie": "0.3.1",
-                "cookie-signature": "1.0.6",
-                "crc": "3.4.4",
-                "debug": "2.6.9",
-                "depd": "~1.1.1",
-                "on-headers": "~1.0.1",
-                "parseurl": "~1.3.2",
-                "uid-safe": "~2.1.5",
-                "utils-merge": "1.0.1"
-            },
-            "dependencies": {
-                "cookie": {
-                    "version": "0.3.1",
-                    "resolved": "http://registry.npm.taobao.org/cookie/download/cookie-0.3.1.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fcookie%2Fdownload%2Fcookie-0.3.1.tgz",
-                    "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
-                },
-                "cookie-signature": {
-                    "version": "1.0.6",
-                    "resolved": "http://registry.npm.taobao.org/cookie-signature/download/cookie-signature-1.0.6.tgz",
-                    "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
-                },
-                "debug": {
-                    "version": "2.6.9",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
-                    "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
-                    "requires": {
-                        "ms": "2.0.0"
-                    }
-                }
-            }
-        },
-        "fresh": {
-            "version": "0.2.0",
-            "resolved": "http://registry.npm.taobao.org/fresh/download/fresh-0.2.0.tgz",
-            "integrity": "sha1-v9lALPPfEsSkwxDHn5mj3eE9NKc="
-        },
-        "inherits": {
-            "version": "2.0.3",
-            "resolved": "http://registry.npm.taobao.org/inherits/download/inherits-2.0.3.tgz",
-            "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
-        },
-        "isarray": {
-            "version": "0.0.1",
-            "resolved": "http://registry.npm.taobao.org/isarray/download/isarray-0.0.1.tgz",
-            "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
-        },
-        "keypress": {
-            "version": "0.1.0",
-            "resolved": "http://registry.npm.taobao.org/keypress/download/keypress-0.1.0.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fkeypress%2Fdownload%2Fkeypress-0.1.0.tgz",
-            "integrity": "sha1-SjGI1CkbZrT2XtuZ+AaqmuKTWSo="
-        },
-        "merge-descriptors": {
-            "version": "0.0.1",
-            "resolved": "http://registry.npm.taobao.org/merge-descriptors/download/merge-descriptors-0.0.1.tgz",
-            "integrity": "sha1-L/CYDJJM+B0LXR+2ARd8uLtWwNA="
-        },
-        "methods": {
-            "version": "0.1.0",
-            "resolved": "http://registry.npm.taobao.org/methods/download/methods-0.1.0.tgz",
-            "integrity": "sha1-M11Cnu/SG3us8unJIqjSvRSjDk8="
-        },
-        "mime": {
-            "version": "1.2.11",
-            "resolved": "http://registry.npm.taobao.org/mime/download/mime-1.2.11.tgz",
-            "integrity": "sha1-WCA+7Ybjpe8XrtK32evUfwpg3RA="
-        },
-        "mkdirp": {
-            "version": "0.3.5",
-            "resolved": "http://registry.npm.taobao.org/mkdirp/download/mkdirp-0.3.5.tgz",
-            "integrity": "sha1-3j5fiWHIjHh+4TaN+EmsRBPsqNc="
-        },
-        "ms": {
-            "version": "2.0.0",
-            "resolved": "http://registry.npm.taobao.org/ms/download/ms-2.0.0.tgz",
-            "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
-        },
-        "multiparty": {
-            "version": "2.2.0",
-            "resolved": "http://registry.npm.taobao.org/multiparty/download/multiparty-2.2.0.tgz",
-            "integrity": "sha1-pWfCrwAK0i3I8qZT2Rl4rh9TFvQ=",
-            "requires": {
-                "readable-stream": "~1.1.9",
-                "stream-counter": "~0.2.0"
-            }
-        },
-        "nan": {
-            "version": "1.0.0",
-            "resolved": "http://registry.npm.taobao.org/nan/download/nan-1.0.0.tgz",
-            "integrity": "sha1-riT4hQgY1mL8q1rPfzuVv6oszzg="
-        },
-        "negotiator": {
-            "version": "0.3.0",
-            "resolved": "http://registry.npm.taobao.org/negotiator/download/negotiator-0.3.0.tgz",
-            "integrity": "sha1-cG1pLv7d9XTVfqn7GriaT6fuj2A="
-        },
-        "on-headers": {
-            "version": "1.0.2",
-            "resolved": "http://registry.npm.taobao.org/on-headers/download/on-headers-1.0.2.tgz",
-            "integrity": "sha1-dysK5qqlJcOZ5Imt+tkMQD6zwo8="
-        },
-        "options": {
-            "version": "0.0.6",
-            "resolved": "http://registry.npm.taobao.org/options/download/options-0.0.6.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Foptions%2Fdownload%2Foptions-0.0.6.tgz",
-            "integrity": "sha1-7CLTEoBrtT5zF3Pnza788cZDEo8="
-        },
-        "parseurl": {
-            "version": "1.3.2",
-            "resolved": "http://registry.npm.taobao.org/parseurl/download/parseurl-1.3.2.tgz",
-            "integrity": "sha1-/CidTtiZMRlGDBViUyYs3I3mW/M="
-        },
-        "pause": {
-            "version": "0.0.1",
-            "resolved": "http://registry.npm.taobao.org/pause/download/pause-0.0.1.tgz",
-            "integrity": "sha1-HUCLP9t2kjuVQ9lvtMnf1TXZy10="
-        },
-        "policyfile": {
-            "version": "0.0.4",
-            "resolved": "http://registry.npm.taobao.org/policyfile/download/policyfile-0.0.4.tgz",
-            "integrity": "sha1-1rgurZiueeviKOLa9ZAzEeyYLk0="
-        },
-        "qs": {
-            "version": "0.6.6",
-            "resolved": "http://registry.npm.taobao.org/qs/download/qs-0.6.6.tgz",
-            "integrity": "sha1-bgFQmP9RlouKPIGQAdXyyJvEsQc="
-        },
-        "random-bytes": {
-            "version": "1.0.0",
-            "resolved": "http://registry.npm.taobao.org/random-bytes/download/random-bytes-1.0.0.tgz",
-            "integrity": "sha1-T2ih3Arli9P7lYSMMDJNt11kNgs="
-        },
-        "range-parser": {
-            "version": "0.0.4",
-            "resolved": "http://registry.npm.taobao.org/range-parser/download/range-parser-0.0.4.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Frange-parser%2Fdownload%2Frange-parser-0.0.4.tgz",
-            "integrity": "sha1-wEJ//vUcEKy6B4KkbJYC50T/Ygs="
-        },
-        "raw-body": {
-            "version": "1.1.2",
-            "resolved": "http://registry.npm.taobao.org/raw-body/download/raw-body-1.1.2.tgz",
-            "integrity": "sha1-x0swBN6l3v0WlhcRBqx0DsMdYr4=",
-            "requires": {
-                "bytes": "~0.2.1"
-            }
-        },
-        "readable-stream": {
-            "version": "1.1.14",
-            "resolved": "http://registry.npm.taobao.org/readable-stream/download/readable-stream-1.1.14.tgz",
-            "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
-            "requires": {
-                "core-util-is": "~1.0.0",
-                "inherits": "~2.0.1",
-                "isarray": "0.0.1",
-                "string_decoder": "~0.10.x"
-            }
-        },
-        "redis": {
-            "version": "0.7.3",
-            "resolved": "http://registry.npm.taobao.org/redis/download/redis-0.7.3.tgz",
-            "integrity": "sha1-7le3pE0l7BWU5ENl2BZfp9HUgRo=",
-            "optional": true
-        },
-        "send": {
-            "version": "0.1.4",
-            "resolved": "http://registry.npm.taobao.org/send/download/send-0.1.4.tgz",
-            "integrity": "sha1-vnDY0b4B3mGCGvE3gLUDRaT3Gr0=",
-            "requires": {
-                "debug": "*",
-                "fresh": "0.2.0",
-                "mime": "~1.2.9",
-                "range-parser": "0.0.4"
-            }
-        },
-        "socket.io": {
-            "version": "0.9.19",
-            "resolved": "http://registry.npm.taobao.org/socket.io/download/socket.io-0.9.19.tgz",
-            "integrity": "sha1-SQu1/Q3FTPAC7gTmf638Q7hIo48=",
-            "requires": {
-                "base64id": "0.1.0",
-                "policyfile": "0.0.4",
-                "redis": "0.7.3",
-                "socket.io-client": "0.9.16"
-            }
-        },
-        "socket.io-client": {
-            "version": "0.9.16",
-            "resolved": "http://registry.npm.taobao.org/socket.io-client/download/socket.io-client-0.9.16.tgz",
-            "integrity": "sha1-TadRXF53MEHRtCOXBBW8xDDzX8Y=",
-            "requires": {
-                "active-x-obfuscator": "0.0.1",
-                "uglify-js": "1.2.5",
-                "ws": "0.4.x",
-                "xmlhttprequest": "1.4.2"
-            }
-        },
-        "stream-counter": {
-            "version": "0.2.0",
-            "resolved": "http://registry.npm.taobao.org/stream-counter/download/stream-counter-0.2.0.tgz",
-            "integrity": "sha1-3tJmVWMZyLDiIoErnPOyb6fZR94=",
-            "requires": {
-                "readable-stream": "~1.1.8"
-            }
-        },
-        "string_decoder": {
-            "version": "0.10.31",
-            "resolved": "http://registry.npm.taobao.org/string_decoder/download/string_decoder-0.10.31.tgz",
-            "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
-        },
-        "tinycolor": {
-            "version": "0.0.1",
-            "resolved": "http://registry.npm.taobao.org/tinycolor/download/tinycolor-0.0.1.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Ftinycolor%2Fdownload%2Ftinycolor-0.0.1.tgz",
-            "integrity": "sha1-MgtaUtg6u1l42Bo+iH1K77FaYWQ="
-        },
-        "uglify-js": {
-            "version": "1.2.5",
-            "resolved": "http://registry.npm.taobao.org/uglify-js/download/uglify-js-1.2.5.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fuglify-js%2Fdownload%2Fuglify-js-1.2.5.tgz",
-            "integrity": "sha1-tULCx29477NLIAsgF3Y0Mw/3ArY="
-        },
-        "uid-safe": {
-            "version": "2.1.5",
-            "resolved": "http://registry.npm.taobao.org/uid-safe/download/uid-safe-2.1.5.tgz",
-            "integrity": "sha1-Kz1cckDo/C5Y+Komnl7knAhXvTo=",
-            "requires": {
-                "random-bytes": "~1.0.0"
-            }
-        },
-        "uid2": {
-            "version": "0.0.3",
-            "resolved": "http://registry.npm.taobao.org/uid2/download/uid2-0.0.3.tgz",
-            "integrity": "sha1-SDEm4Rd03y9xuLY53NeZw3YWK4I="
-        },
-        "utils-merge": {
-            "version": "1.0.1",
-            "resolved": "http://registry.npm.taobao.org/utils-merge/download/utils-merge-1.0.1.tgz",
-            "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
-        },
-        "ws": {
-            "version": "0.4.32",
-            "resolved": "http://registry.npm.taobao.org/ws/download/ws-0.4.32.tgz",
-            "integrity": "sha1-eHphVEFPPJntg8V3IVOyD+sM7DI=",
-            "requires": {
-                "commander": "~2.1.0",
-                "nan": "~1.0.0",
-                "options": ">=0.0.5",
-                "tinycolor": "0.x"
-            },
-            "dependencies": {
-                "commander": {
-                    "version": "2.1.0",
-                    "resolved": "http://registry.npm.taobao.org/commander/download/commander-2.1.0.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fcommander%2Fdownload%2Fcommander-2.1.0.tgz",
-                    "integrity": "sha1-0SG7roYNmZKj1Re6lvVliOR8Z4E="
-                }
-            }
-        },
-        "xmlhttprequest": {
-            "version": "1.4.2",
-            "resolved": "http://registry.npm.taobao.org/xmlhttprequest/download/xmlhttprequest-1.4.2.tgz",
-            "integrity": "sha1-AUU6HZvtHo8XL2SVu/TIxCYyFQA="
-        },
-        "zeparser": {
-            "version": "0.0.5",
-            "resolved": "http://registry.npm.taobao.org/zeparser/download/zeparser-0.0.5.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fzeparser%2Fdownload%2Fzeparser-0.0.5.tgz",
-            "integrity": "sha1-A3JlYbwmjy5URPVMZlt/1KjAKeI="
-        }
-    }
-}
+{
+    "name": "nochat",
+    "version": "0.4.0",
+    "lockfileVersion": 1,
+    "requires": true,
+    "dependencies": {
+        "accepts": {
+            "version": "1.0.3",
+            "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.0.3.tgz",
+            "integrity": "sha1-krHbDU89tHsFMN9uFa6X21FNwvg=",
+            "requires": {
+                "mime": "~1.2.11",
+                "negotiator": "0.4.6"
+            }
+        },
+        "active-x-obfuscator": {
+            "version": "0.0.1",
+            "resolved": "http://registry.npm.taobao.org/active-x-obfuscator/download/active-x-obfuscator-0.0.1.tgz",
+            "integrity": "sha1-CJuJs3FF/x2ex0r2UwvlUmyuHxo=",
+            "requires": {
+                "zeparser": "0.0.5"
+            }
+        },
+        "base64-url": {
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+        "socket.io": {
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+            "resolved": "http://registry.npm.taobao.org/socket.io/download/socket.io-0.9.19.tgz",
+            "integrity": "sha1-SQu1/Q3FTPAC7gTmf638Q7hIo48=",
+            "requires": {
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+                "policyfile": "0.0.4",
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+            "resolved": "http://registry.npm.taobao.org/socket.io-client/download/socket.io-client-0.9.16.tgz",
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+            "requires": {
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+            "resolved": "http://registry.npm.taobao.org/utils-merge/download/utils-merge-1.0.1.tgz",
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+        },
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+            "resolved": "http://registry.npm.taobao.org/zeparser/download/zeparser-0.0.5.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fzeparser%2Fdownload%2Fzeparser-0.0.5.tgz",
+            "integrity": "sha1-A3JlYbwmjy5URPVMZlt/1KjAKeI="
+        }
+    }
+}
diff --git a/package.json b/package.json
index 089a7af..049701a 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "main": "server.js",
     "dependencies": {
         "cookie-parser": "^1.4.3",
-        "express": "^3.4.8",
+        "express": "^3.11.0",
         "express-session": "^1.15.5",
         "socket.io": "0.9.x"
     },