diff --git a/blog/package-lock.json b/blog/package-lock.json
index cfeea80..0d2dd39 100644
--- a/blog/package-lock.json
+++ b/blog/package-lock.json
@@ -2113,9 +2113,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash.assignin": {
       "version": "4.2.0",
diff --git a/blog/yarn.lock b/blog/yarn.lock
index 67ba7f9..6dec30c 100644
--- a/blog/yarn.lock
+++ b/blog/yarn.lock
@@ -1033,14 +1033,6 @@ hexo-deployer-git@^1.0.0:
     moment "^2.18.0"
     swig-templates "^2.0.2"
 
-hexo-deployer-rsync@^0.1.3:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/hexo-deployer-rsync/-/hexo-deployer-rsync-0.1.3.tgz#4707c5a47371cb05b47539aac17e09b67060a832"
-  integrity sha1-RwfFpHNxywW0dTmqwX4JtnBgqDI=
-  dependencies:
-    chalk "^1.1.3"
-    hexo-util "^0.6.0"
-
 hexo-front-matter@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/hexo-front-matter/-/hexo-front-matter-0.2.3.tgz#c7ca8ef420ea36bd85e8408a2e8c9bf49efa605e"
@@ -1534,9 +1526,9 @@ lodash.some@^4.4.0:
   integrity sha1-G7nzFO9ri63tE7VJFpsqlF62jk0=
 
 lodash@^4.17.11, lodash@^4.2.1:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 longest@^1.0.1:
   version "1.0.1"