diff --git a/package-lock.json b/package-lock.json
index 15e612d70..11c83c54e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -188,16 +188,6 @@
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       "dev": true
     },
-    "JSONStream": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npm.taobao.org/JSONStream/download/JSONStream-1.3.5.tgz",
-      "integrity": "sha1-MgjB8I06TZkmGrZPkjArwV4RHKA=",
-      "dev": true,
-      "requires": {
-        "jsonparse": "^1.2.0",
-        "through": ">=2.2.7 <3"
-      }
-    },
     "abab": {
       "version": "1.0.4",
       "resolved": "http://registry.npm.taobao.org/abab/download/abab-1.0.4.tgz",
@@ -210,6 +200,11 @@
       "integrity": "sha1-+PLIh60Qv2f2NPAFtph/7TF5qsg=",
       "dev": true
     },
+    "abstract-logging": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/abstract-logging/-/abstract-logging-1.0.0.tgz",
+      "integrity": "sha512-CWDjsyA74oOOK6ekFOE00fEUR/twE2SUmXWFQpF1J1fxaq9wSI2tnK3z0vAhpEcmCqw8xD/+A2M2a2M+3bCe8A=="
+    },
     "accepts": {
       "version": "1.3.4",
       "resolved": "http://registry.npm.taobao.org/accepts/download/accepts-1.3.4.tgz",
@@ -687,9 +682,12 @@
       "dev": true
     },
     "asn1": {
-      "version": "0.2.3",
-      "resolved": "http://registry.npm.taobao.org/asn1/download/asn1-0.2.3.tgz",
-      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
+      "integrity": "sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==",
+      "requires": {
+        "safer-buffer": "~2.1.0"
+      }
     },
     "asn1.js": {
       "version": "4.10.1",
@@ -2359,7 +2357,8 @@
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "http://registry.npm.taobao.org/balanced-match/download/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
     },
     "base": {
       "version": "0.11.2",
@@ -2665,6 +2664,7 @@
       "version": "1.1.11",
       "resolved": "http://registry.npm.taobao.org/brace-expansion/download/brace-expansion-1.1.11.tgz",
       "integrity": "sha1-PH/L9SnYcibz0vUrlm/1Jx60Qd0=",
+      "dev": true,
       "requires": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -2863,17 +2863,6 @@
       "integrity": "sha1-hZgoeOIbmOHGZCXgPQF0eI9Wnug=",
       "dev": true
     },
-    "bunyan": {
-      "version": "1.8.12",
-      "resolved": "http://registry.npm.taobao.org/bunyan/download/bunyan-1.8.12.tgz",
-      "integrity": "sha1-8VDw9nSKvdcq6uhPBEA74u8RN5c=",
-      "requires": {
-        "dtrace-provider": "~0.8",
-        "moment": "^2.10.6",
-        "mv": "~2",
-        "safe-json-stringify": "~1"
-      }
-    },
     "busboy": {
       "version": "0.2.14",
       "resolved": "http://registry.npm.taobao.org/busboy/download/busboy-0.2.14.tgz",
@@ -3835,7 +3824,8 @@
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       "resolved": "http://registry.npm.taobao.org/concat-map/download/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
     },
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@@ -5006,8 +4996,8 @@
       "integrity": "sha1-GQ+5kAxuAr4MC8qbA9V+JJgmOf0=",
       "dev": true,
       "requires": {
-        "JSONStream": "^1.0.4",
         "is-text-path": "^1.0.1",
+        "JSONStream": "^1.0.4",
         "lodash": "^4.17.15",
         "meow": "^8.0.0",
         "split2": "^3.0.0",
@@ -6512,15 +6502,6 @@
       "resolved": "https://registry.npm.taobao.org/drange/download/drange-1.1.1.tgz",
       "integrity": "sha1-sq7Owqq4L87xHbvXueMrg/j2wLg="
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-    "dtrace-provider": {
-      "version": "0.8.6",
-      "resolved": "http://registry.npm.taobao.org/dtrace-provider/download/dtrace-provider-0.8.6.tgz",
-      "integrity": "sha1-QooiOv4DQl0s1tY0f99AxmkDVj0=",
-      "optional": true,
-      "requires": {
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       "resolved": "http://registry.npm.taobao.org/duplexer/download/duplexer-0.1.1.tgz",
@@ -8395,29 +8376,29 @@
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           "dev": true,
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           "version": "2.1.1",
-          "resolved": false,
           "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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-          "resolved": false,
           "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
+          "bundled": true,
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@@ -8427,15 +8408,15 @@
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-          "resolved": false,
           "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+          "bundled": true,
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+          "bundled": true,
           "dev": true,
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@@ -8445,43 +8426,43 @@
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-          "resolved": false,
           "integrity": "sha1-4qdQQqlVGQi+vSW4Uj1fl2nXkYE=",
+          "bundled": true,
           "dev": true,
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-          "resolved": false,
           "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+          "bundled": true,
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         "concat-map": {
           "version": "0.0.1",
-          "resolved": false,
           "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+          "bundled": true,
           "dev": true,
           "optional": true
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           "version": "1.1.0",
-          "resolved": false,
           "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+          "bundled": true,
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           "version": "1.0.2",
-          "resolved": false,
           "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+          "bundled": true,
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-          "resolved": false,
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+          "bundled": true,
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@@ -8490,29 +8471,29 @@
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+          "bundled": true,
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           "version": "1.0.0",
-          "resolved": false,
           "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
+          "bundled": true,
           "dev": true,
           "optional": true
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           "version": "1.0.3",
-          "resolved": false,
           "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=",
+          "bundled": true,
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+          "bundled": true,
           "dev": true,
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@@ -8521,15 +8502,15 @@
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-          "resolved": false,
           "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+          "bundled": true,
           "dev": true,
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           "version": "2.7.4",
-          "resolved": false,
           "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
+          "bundled": true,
           "dev": true,
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@@ -8545,8 +8526,8 @@
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+          "bundled": true,
           "dev": true,
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@@ -8560,15 +8541,15 @@
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-          "resolved": false,
           "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=",
+          "bundled": true,
           "dev": true,
           "optional": true
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+          "bundled": true,
           "dev": true,
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@@ -8577,8 +8558,8 @@
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+          "bundled": true,
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@@ -8587,8 +8568,8 @@
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           "version": "1.0.6",
-          "resolved": false,
           "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+          "bundled": true,
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@@ -8598,22 +8579,22 @@
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           "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+          "bundled": true,
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           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "bundled": true,
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@@ -8622,15 +8603,15 @@
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           "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
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+          "bundled": true,
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@@ -8639,15 +8620,15 @@
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           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
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@@ -8657,8 +8638,8 @@
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@@ -8667,8 +8648,8 @@
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+          "bundled": true,
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@@ -8677,15 +8658,15 @@
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           "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
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+          "bundled": true,
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@@ -8696,8 +8677,8 @@
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@@ -8715,8 +8696,8 @@
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@@ -8726,15 +8707,15 @@
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@@ -8744,8 +8725,8 @@
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@@ -8757,22 +8738,22 @@
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           "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
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@@ -8781,22 +8762,22 @@
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+          "bundled": true,
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@@ -8806,22 +8787,22 @@
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@@ -8833,8 +8814,8 @@
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               "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+              "bundled": true,
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@@ -8842,8 +8823,8 @@
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               "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
+              "bundled": true,
               "dev": true,
               "optional": true,
               "requires": {
@@ -20721,8 +20690,8 @@
             },
             "wrappy": {
               "version": "1.0.2",
-              "resolved": false,
               "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+              "bundled": true,
               "dev": true,
               "optional": true
             }
@@ -21836,6 +21805,15 @@
         }
       }
     },
+    "require_optional": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
+      "integrity": "sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==",
+      "requires": {
+        "resolve-from": "^2.0.0",
+        "semver": "^5.1.0"
+      }
+    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "http://registry.npm.taobao.org/require-directory/download/require-directory-2.1.1.tgz",
@@ -21878,15 +21856,6 @@
         }
       }
     },
-    "require_optional": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
-      "integrity": "sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==",
-      "requires": {
-        "resolve-from": "^2.0.0",
-        "semver": "^5.1.0"
-      }
-    },
     "requireg": {
       "version": "0.1.8",
       "resolved": "https://registry.npmjs.org/requireg/-/requireg-0.1.8.tgz",
@@ -22042,6 +22011,7 @@
       "version": "2.4.5",
       "resolved": "http://registry.npm.taobao.org/rimraf/download/rimraf-2.4.5.tgz",
       "integrity": "sha1-7nEM5dk6j9uFb7Xqj/Di11k0sto=",
+      "dev": true,
       "requires": {
         "glob": "^6.0.1"
       }
@@ -22110,12 +22080,6 @@
       "resolved": "http://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.1.1.tgz",
       "integrity": "sha1-iTMSr2myEj3vcfV4iQAWce6yyFM="
     },
-    "safe-json-stringify": {
-      "version": "1.1.0",
-      "resolved": "http://registry.npm.taobao.org/safe-json-stringify/download/safe-json-stringify-1.1.0.tgz",
-      "integrity": "sha1-vSttrR66+rPCRnKjlVJ/AYBLfhk=",
-      "optional": true
-    },
     "safe-regex": {
       "version": "1.1.0",
       "resolved": "http://registry.npm.taobao.org/safe-regex/download/safe-regex-1.1.0.tgz",
@@ -23656,6 +23620,11 @@
       "resolved": "http://registry.npm.taobao.org/string/download/string-3.3.3.tgz",
       "integrity": "sha1-XqIRzZLSKOGEKUmQpsyXs2anfLA="
     },
+    "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="
+    },
     "string-convert": {
       "version": "0.2.1",
       "resolved": "http://registry.npm.taobao.org/string-convert/download/string-convert-0.2.1.tgz",
@@ -23785,11 +23754,6 @@
         }
       }
     },
-    "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="
-    },
     "stringstream": {
       "version": "0.0.5",
       "resolved": "http://registry.npm.taobao.org/stringstream/download/stringstream-0.0.5.tgz",
@@ -25230,21 +25194,11 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "vasync": {
-      "version": "1.6.4",
-      "resolved": "http://registry.npm.taobao.org/vasync/download/vasync-1.6.4.tgz",
-      "integrity": "sha1-3+k2Fq0OeugBszKp2Iv8XNyOHR8=",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/vasync/-/vasync-2.2.1.tgz",
+      "integrity": "sha512-Hq72JaTpcTFdWiNA4Y22Amej2GH3BFmBaKPPlDZ4/oC8HNn2ISHLkFrJU4Ds8R3jcUi7oo5Y9jcMHKjES+N9wQ==",
       "requires": {
-        "verror": "1.6.0"
-      },
-      "dependencies": {
-        "verror": {
-          "version": "1.6.0",
-          "resolved": "http://registry.npm.taobao.org/verror/download/verror-1.6.0.tgz",
-          "integrity": "sha1-fROyex+swuLakEBetepuW90lLqU=",
-          "requires": {
-            "extsprintf": "1.2.0"
-          }
-        }
+        "verror": "1.10.0"
       }
     },
     "vendors": {
@@ -26971,6 +26925,15 @@
           "integrity": "sha1-xVCyq1Qn9rPyH1r+rYjE9Vh7IQY=",
           "dev": true
         },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        },
         "string-width": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
@@ -26982,15 +26945,6 @@
             "strip-ansi": "^3.0.0"
           }
         },
-        "string_decoder": {
-          "version": "1.1.1",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-          "dev": true,
-          "requires": {
-            "safe-buffer": "~5.1.0"
-          }
-        },
         "strip-json-comments": {
           "version": "1.0.4",
           "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-1.0.4.tgz",
diff --git a/package.json b/package.json
index e80a4a515..0dc5e6afd 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "koa-session-minimal": "3.0.3",
     "koa-static": "3.0.0",
     "koa-websocket": "4.0.0",
-    "ldapjs": "^1.0.1",
+    "ldapjs": "^2.0.0",
     "markdown-it": "8.4.0",
     "markdown-it-anchor": "4.0.0",
     "markdown-it-table-of-contents": "0.3.2",