diff --git a/node/book/package-lock.json b/node/book/package-lock.json
index db00e23..2c19fa7 100644
--- a/node/book/package-lock.json
+++ b/node/book/package-lock.json
@@ -5,12 +5,27 @@
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-      "integrity": "sha1-UxvHJlF6OytB+FACHGzBXqq1B80=",
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-        "negotiator": "0.6.2"
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+          "requires": {
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@@ -20,8 +35,8 @@
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-      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
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@@ -95,9 +110,19 @@
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-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
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+        }
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@@ -105,14 +130,14 @@
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-      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
+      "version": "0.4.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
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-      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
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@@ -139,8 +164,8 @@
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-      "resolved": "http://registry.npm.taobao.org/destroy/download/destroy-1.0.4.tgz",
-      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
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@@ -149,13 +174,13 @@
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-      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
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-      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
+      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
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@@ -194,112 +219,115 @@
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-      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
+      "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
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-      "integrity": "sha1-/d72GSYQniTFFeqX/S8b2/Yt8S4=",
+      "version": "4.17.3",
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-        "body-parser": "1.18.3",
-        "content-disposition": "0.5.2",
+        "body-parser": "1.19.2",
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-        "cookie": "0.3.1",
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         "etag": "~1.8.1",
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-          "integrity": "sha1-u3PURtonlhBu/MG2AaJT1sRr0Ic="
+        "toidentifier": {
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@@ -314,35 +342,28 @@
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-      "integrity": "sha1-7r9O2EAHnIP0JJA4ydcDAIMBsQU=",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.2.tgz",
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         "escape-html": "~1.0.3",
         "on-finished": "~2.3.0",
-        "parseurl": "~1.3.2",
-        "statuses": "~1.4.0",
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-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
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-      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
+      "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
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@@ -389,9 +410,9 @@
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-      "integrity": "sha1-N9905DCg5HVQ/lSi3v4w2KzZX2U="
+      "version": "1.9.1",
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@@ -429,8 +450,8 @@
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-      "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E="
+      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
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@@ -449,13 +470,13 @@
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-      "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4="
+      "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
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-      "integrity": "sha1-Eh+evEnjdm8xGnbh+hyAA8SwOqY="
+      "version": "1.6.0",
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@@ -487,9 +508,9 @@
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-      "integrity": "sha1-NMvWSi2B9LH9IedvnwbIpFKZ7jQ=",
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-          "integrity": "sha1-0L2FU2iHtv58DYGMuWLZ2RxU5lY="
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@@ -749,13 +781,13 @@
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-      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
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