diff --git a/package-lock.json b/package-lock.json
index e6355e3..5f1e202 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2798,9 +2798,9 @@
       "integrity": "sha1-PoeAybi4NQhMP2DhZtvDwqPImBQ="
     },
     "entities": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npm.taobao.org/entities/download/entities-1.1.2.tgz",
-      "integrity": "sha1-vfpzUplmTfr9NFKe1PhSKidf6lY="
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-2.1.0.tgz",
+      "integrity": "sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w=="
     },
     "errno": {
       "version": "0.1.7",
@@ -3350,7 +3350,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3368,11 +3369,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3385,15 +3388,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3496,7 +3502,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3506,6 +3513,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3518,17 +3526,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -3545,6 +3556,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3617,7 +3629,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3627,6 +3640,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3702,7 +3716,8 @@
         },
         "safe-buffer": {
           "version": "5.1.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3732,6 +3747,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3749,6 +3765,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3787,11 +3804,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -4659,9 +4678,9 @@
       }
     },
     "linkify-it": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npm.taobao.org/linkify-it/download/linkify-it-2.2.0.tgz",
-      "integrity": "sha1-47VGl+eL+RXHCjis14/QngBYsc8=",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-3.0.3.tgz",
+      "integrity": "sha512-ynTsyrFSdE5oZ/O9GEf00kPngmOfVwazR5GKDq6EYfhlpFug3J2zybX56a2PRRpc9P+FuSoGNAwjlbDs9jJBPQ==",
       "requires": {
         "uc.micro": "^1.0.1"
       }
@@ -4809,15 +4828,22 @@
       }
     },
     "markdown-it": {
-      "version": "8.4.2",
-      "resolved": "https://registry.npm.taobao.org/markdown-it/download/markdown-it-8.4.2.tgz",
-      "integrity": "sha1-OG+YmY3BWjdyKqdyIIT0Agvdm1Q=",
+      "version": "12.3.2",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-12.3.2.tgz",
+      "integrity": "sha512-TchMembfxfNVpHkbtriWltGWc+m3xszaRD0CZup7GFFhzIgQqxIfn3eGj1yZpfuflzPvfkt611B2Q/Bsk1YnGg==",
       "requires": {
-        "argparse": "^1.0.7",
-        "entities": "~1.1.1",
-        "linkify-it": "^2.0.0",
+        "argparse": "^2.0.1",
+        "entities": "~2.1.0",
+        "linkify-it": "^3.0.1",
         "mdurl": "^1.0.1",
         "uc.micro": "^1.0.5"
+      },
+      "dependencies": {
+        "argparse": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
+        }
       }
     },
     "maximatch": {
@@ -4843,7 +4869,7 @@
     },
     "mdurl": {
       "version": "1.0.1",
-      "resolved": "https://registry.npm.taobao.org/mdurl/download/mdurl-1.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-1.0.1.tgz",
       "integrity": "sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4="
     },
     "media-typer": {
@@ -7808,8 +7834,8 @@
     },
     "uc.micro": {
       "version": "1.0.6",
-      "resolved": "https://registry.npm.taobao.org/uc.micro/download/uc.micro-1.0.6.tgz",
-      "integrity": "sha1-nEEagCpAmpH8bPdAgbq6NLJEmaw="
+      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-1.0.6.tgz",
+      "integrity": "sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA=="
     },
     "unfetch": {
       "version": "4.1.0",
diff --git a/package.json b/package.json
index baf7578..085bb4c 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "koa-router": "^7.4.0",
     "koa-session": "^5.10.1",
     "lru-cache": "^5.1.1",
-    "markdown-it": "^8.4.2",
+    "markdown-it": "^12.3.2",
     "next": "^8.0.3",
     "nprogress": "^0.2.0",
     "react": "^16.8.3",