diff --git a/package-lock.json b/package-lock.json
index 06bdaad..ee725e4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "cron": "^1.3.0",
         "debug": "^2.2.0",
         "echarts": "^4.1.0",
-        "express": "^4.16.4",
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         "figlet": "^1.2.0",
         "gscatterjs-core": "^0.1.2",
         "gxbjs": "^1.5.0",
@@ -161,12 +161,12 @@
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-        "negotiator": "0.6.2"
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@@ -2747,16 +2747,35 @@
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+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
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@@ -4467,16 +4486,16 @@
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+      "resolved": "https://registry.npmjs.org/express/-/express-4.17.3.tgz",
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-        "content-disposition": "0.5.3",
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@@ -4490,13 +4509,13 @@
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-        "serve-static": "1.14.1",
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@@ -4506,6 +4525,25 @@
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+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
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+          "url": "https://feross.org/support"
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-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=",
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@@ -8746,9 +8789,9 @@
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@@ -12121,11 +12164,11 @@
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@@ -13450,9 +13496,9 @@
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@@ -13462,9 +13508,9 @@
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@@ -13473,14 +13519,14 @@
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+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
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@@ -27692,14 +27759,14 @@
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     },
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-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
-      "integrity": "sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==",
+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.2.tgz",
+      "integrity": "sha512-+TMNA9AFxUEGuC0z2mevogSnn9MXKb4fa7ngeRMJaaGv8vTwnIEkKi+QGvPt33HSnf8pRS+WGM0EbMtCJLKMBQ==",
       "requires": {
         "encodeurl": "~1.0.2",
         "escape-html": "~1.0.3",
         "parseurl": "~1.3.3",
-        "send": "0.17.1"
+        "send": "0.17.2"
       }
     },
     "set-blocking": {
@@ -27738,9 +27805,9 @@
       "dev": true
     },
     "setprototypeof": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
-      "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
+      "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
     },
     "sha.js": {
       "version": "2.4.11",
@@ -28648,9 +28715,9 @@
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-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
-      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
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diff --git a/package.json b/package.json
index 774ac4b..d0d11e1 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "cron": "^1.3.0",
     "debug": "^2.2.0",
     "echarts": "^4.1.0",
-    "express": "^4.16.4",
+    "express": "^4.17.3",
     "figlet": "^1.2.0",
     "gscatterjs-core": "^0.1.2",
     "gxbjs": "^1.5.0",