diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index a241e7a1ce..2441dfc607 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -17,9 +17,9 @@
       }
     },
     "@seafile/seafile-editor": {
-      "version": "0.1.29",
-      "resolved": "https://registry.npmjs.org/@seafile/seafile-editor/-/seafile-editor-0.1.29.tgz",
-      "integrity": "sha512-kelTnU3uR6fQPAaTsnuMQDRcYdc2vrgRoZjgvOJPTBgqVj+fTtjZxogdwWm7iNiRJ4lZmQbKpWZXMEHSU/C2NQ==",
+      "version": "0.1.30",
+      "resolved": "https://registry.npmjs.org/@seafile/seafile-editor/-/seafile-editor-0.1.30.tgz",
+      "integrity": "sha512-5TnpPl0G3cZa2S+5V0B7uwFEr2qeYUrD+oLoAyGBLCZ67aeEoQ51Ytfaf/J0LBxHq+WSGYOr5sk4Wc9uaDJ88g==",
       "requires": {
         "@seafile/slate-react": "0.1.2",
         "autoprefixer": "7.1.6",
@@ -68,9 +68,10 @@
         "remark-parse": "^5.0.0",
         "remark-rehype": "^3.0.0",
         "remark-slug": "^5.0.0",
-        "seafile-js": "^0.2.17",
+        "seafile-js": "^0.2.25",
         "seafile-ui": "^0.1.10",
         "slate": "0.40.2",
+        "slate-base64-serializer": "^0.2.72",
         "slate-hotkeys": "0.2.3",
         "slate-html-serializer": "0.7.2",
         "slate-schema-violations": "0.1.39",
@@ -87,7 +88,7 @@
       "dependencies": {
         "reactstrap": {
           "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/reactstrap/-/reactstrap-5.0.0.tgz",
+          "resolved": "http://registry.npmjs.org/reactstrap/-/reactstrap-5.0.0.tgz",
           "integrity": "sha512-y0eju/LAK7gbEaTFfq2iW92MF7/5Qh0tc1LgYr2mg92IX8NodGc03a+I+cp7bJ0VXHAiLy0bFL9UP89oSm4cBg==",
           "requires": {
             "classnames": "^2.2.3",
@@ -162,9 +163,9 @@
       }
     },
     "@types/node": {
-      "version": "10.11.7",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.11.7.tgz",
-      "integrity": "sha512-yOxFfkN9xUFLyvWaeYj90mlqTJ41CsQzWKS3gXdOMOyPVacUsymejKxJ4/pMW7exouubuEeZLJawGgcNGYlTeg=="
+      "version": "10.12.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.1.tgz",
+      "integrity": "sha512-i1sl+WCX2OCHeUi9oi7PiCNUtYFrpWhpcx878vpeq/tlZTKzcFdHePlyFHVbWqeuKN0SRPl/9ZFDSTsfv9h7VQ=="
     },
     "abab": {
       "version": "1.0.4",
@@ -2305,9 +2306,9 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
     "codemirror": {
-      "version": "5.40.2",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.40.2.tgz",
-      "integrity": "sha512-yoWuvEiD3v5vTwdoMc/wu/Ld6dh9K/yEiEBTKOPGM+/pN0gTAqFNtrLHv1IJ1UJvzFpNRvMi92XCi3+8/iIaEw=="
+      "version": "5.41.0",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.41.0.tgz",
+      "integrity": "sha512-mkCwbneCx2WHg1MNCYrI+8Zuq0KMMaZ5yTFpQlAZazy3yxME8bHcuSc9WUFzgPZ114WqWu1FIHlx8CavLzBDIg=="
     },
     "collapse-white-space": {
       "version": "1.0.4",
@@ -5994,9 +5995,9 @@
       "integrity": "sha512-but/G3sapV3MNyqiDBLrOi4x8uCIw0RY3o/Vb5GT0sMFHrVV7731wFSVy41T5FO1og7G0gXLJh0MkgPRouko/A=="
     },
     "is-hotkey": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/is-hotkey/-/is-hotkey-0.1.3.tgz",
-      "integrity": "sha512-wB5PP/lwpaN5zNT1vjHxYFBxiq5zvUZiv8696eB5OmeCRCgNIzb3cMJjRhogSQXe8LLDKOzzlFfGlMaWnc4emQ=="
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/is-hotkey/-/is-hotkey-0.1.4.tgz",
+      "integrity": "sha512-Py+aW4r5mBBY18TGzGz286/gKS+fCQ0Hee3qkaiSmEPiD0PqFpe0wuA3l7rTOUKyeXl8Mxf3XzJxIoTlSv+kxA=="
     },
     "is-image": {
       "version": "2.0.0",
@@ -10442,9 +10443,9 @@
       }
     },
     "slate-base64-serializer": {
-      "version": "0.2.72",
-      "resolved": "https://registry.npmjs.org/slate-base64-serializer/-/slate-base64-serializer-0.2.72.tgz",
-      "integrity": "sha512-Bra4elmvDIfsFwh1BjW1E7O3g+/BOkfSAij10mjraveHG5MC386t/FJ1itZt2ydv+EAlep5iXkbKzMp8u+RalQ==",
+      "version": "0.2.77",
+      "resolved": "https://registry.npmjs.org/slate-base64-serializer/-/slate-base64-serializer-0.2.77.tgz",
+      "integrity": "sha512-EZ5XpKf7l2mYIzbB0rdExAZ5FPgm252hmDtR5wTBY5m79ekw/xc016HxJrlg0HufMQKcRsQtuEhBRrwyLiWuag==",
       "requires": {
         "isomorphic-base64": "^1.0.2"
       }
@@ -10480,9 +10481,9 @@
       }
     },
     "slate-plain-serializer": {
-      "version": "0.6.11",
-      "resolved": "https://registry.npmjs.org/slate-plain-serializer/-/slate-plain-serializer-0.6.11.tgz",
-      "integrity": "sha512-BPFi76EDyb8sPLQjUKFDFFtee/4rMmQceIgD6L6abv7ABndfNrBkK+uXTRQ42H4H60r1sXKvMnPYDsEuLwG+MA=="
+      "version": "0.6.16",
+      "resolved": "https://registry.npmjs.org/slate-plain-serializer/-/slate-plain-serializer-0.6.16.tgz",
+      "integrity": "sha512-swQAe2ehGhsJWSOyGsmLWs/JSya5k8ipwOHpW1fy1hb1sU8BnU/0y9PMxGPCbpUugbSCFURmm6MPlj04Tc1/sg=="
     },
     "slate-prop-types": {
       "version": "0.4.67",
@@ -11317,9 +11318,9 @@
       "integrity": "sha512-YkXBK/H9raAmG7KXck+UUpnKiNmUdB+aBGrknfQ4EreE1banuzrKABx3jP6Z5Z3fMSPMQQmeXBlKpCbMwBkxVw=="
     },
     "unist-util-modify-children": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/unist-util-modify-children/-/unist-util-modify-children-1.1.2.tgz",
-      "integrity": "sha512-GRi04yhng1WqBf5RBzPkOtWAadcZS2gvuOgNn/cyJBYNxtTuyYqTKN0eg4rC1YJwGnzrqfRB3dSKm8cNCjNirg==",
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/unist-util-modify-children/-/unist-util-modify-children-1.1.3.tgz",
+      "integrity": "sha512-Aw3Us+NPrJGYWyLhcaqYzgxd/pryIanDNHVVvwdtTEEQ3Yfa/+sjnT2EeAAHbtTMAaYEdPW3XN6jxbzVWAo/BQ==",
       "requires": {
         "array-iterate": "^1.0.0"
       }
@@ -11851,13 +11852,13 @@
       "dependencies": {
         "ansi-regex": {
           "version": "1.1.1",
-          "resolved": "http://registry.npmjs.org/ansi-regex/-/ansi-regex-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-1.1.1.tgz",
           "integrity": "sha1-QchHGUZGN15qGl0Qw8oFTvn8mA0=",
           "dev": true
         },
         "strip-ansi": {
           "version": "2.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-2.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-2.0.1.tgz",
           "integrity": "sha1-32LBqpTtLxFOHQ8h/R1QSCt5pg4=",
           "dev": true,
           "requires": {
diff --git a/frontend/package.json b/frontend/package.json
index 58f052cada..15b6a1b9be 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "dependencies": {
     "@reach/router": "^1.2.0",
-    "@seafile/seafile-editor": "^0.1.29",
+    "@seafile/seafile-editor": "^0.1.30",
     "autoprefixer": "7.1.6",
     "classnames": "^2.2.6",
     "css-loader": "0.28.7",
diff --git a/frontend/src/markdown-editor.js b/frontend/src/markdown-editor.js
index 45f0d80fd5..2e68201aac 100644
--- a/frontend/src/markdown-editor.js
+++ b/frontend/src/markdown-editor.js
@@ -188,7 +188,7 @@ class EditorUtilities {
   }
 
   getCommentsNumber() {
-    return seafileAPI.getCommentsNumber(this.repoID, this.dirPath);
+    return seafileAPI.getCommentsNumber(this.repoID, dirPath);
   }
 
   postComment(comment) {