diff --git a/book/package-lock.json b/book/package-lock.json
index 0e2a597..8046e5f 100644
--- a/book/package-lock.json
+++ b/book/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "manual-tortoise-svn",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -206,9 +206,9 @@
       "integrity": "sha1-D6LGT5MpF8NDOg3tVTY6rjdBa3w="
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npm.taobao.org/lodash/download/lodash-4.17.15.tgz",
-      "integrity": "sha1-tEf2ZwoEVbv+7dETku/zMOoJdUg="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "lodash.assignin": {
       "version": "4.2.0",