diff --git a/package-lock.json b/package-lock.json
index 220de4a..891d58a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -305,7 +305,7 @@
                 },
                 "debug": {
                     "version": "4.1.1",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
                     "integrity": "sha1-O3ImAlUQnGtYnO4FDx1RYTlmR5E=",
                     "dev": true,
                     "requires": {
@@ -1594,7 +1594,7 @@
                 },
                 "debug": {
                     "version": "4.1.1",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
                     "integrity": "sha1-O3ImAlUQnGtYnO4FDx1RYTlmR5E=",
                     "dev": true,
                     "requires": {
@@ -2588,7 +2588,7 @@
                 },
                 "debug": {
                     "version": "2.6.9",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
                     "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
                     "dev": true,
                     "requires": {
@@ -3238,7 +3238,7 @@
             "dependencies": {
                 "debug": {
                     "version": "2.6.9",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
                     "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
                     "dev": true,
                     "requires": {
@@ -3771,7 +3771,7 @@
         },
         "debug": {
             "version": "3.2.6",
-            "resolved": "http://registry.npm.taobao.org/debug/download/debug-3.2.6.tgz",
+            "resolved": "https://registry.npm.taobao.org/debug/download/debug-3.2.6.tgz",
             "integrity": "sha1-6D0X3hbYp++3cX7b5fsQE17uYps=",
             "dev": true,
             "requires": {
@@ -4429,7 +4429,7 @@
             "dependencies": {
                 "debug": {
                     "version": "2.6.9",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
                     "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
                     "dev": true,
                     "requires": {
@@ -4523,7 +4523,7 @@
                 },
                 "debug": {
                     "version": "2.6.9",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
                     "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
                     "dev": true,
                     "requires": {
@@ -4798,7 +4798,7 @@
             "dependencies": {
                 "debug": {
                     "version": "2.6.9",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
                     "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
                     "dev": true,
                     "requires": {
@@ -6490,7 +6490,7 @@
         },
         "is-number": {
             "version": "3.0.0",
-            "resolved": "http://registry.npm.taobao.org/is-number/download/is-number-3.0.0.tgz",
+            "resolved": "https://registry.npm.taobao.org/is-number/download/is-number-3.0.0.tgz",
             "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
             "dev": true,
             "requires": {
@@ -7169,9 +7169,9 @@
             }
         },
         "lodash": {
-            "version": "4.17.19",
-            "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-            "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
+            "version": "4.17.21",
+            "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+            "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
             "dev": true
         },
         "lodash._baseassign": {
@@ -9852,7 +9852,7 @@
             "dependencies": {
                 "debug": {
                     "version": "2.6.9",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
                     "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
                     "dev": true,
                     "requires": {
@@ -9901,7 +9901,7 @@
             "dependencies": {
                 "debug": {
                     "version": "2.6.9",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
                     "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
                     "dev": true,
                     "requires": {
@@ -10086,7 +10086,7 @@
             "dependencies": {
                 "debug": {
                     "version": "2.6.9",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz",
                     "integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
                     "dev": true,
                     "requires": {
@@ -10294,7 +10294,7 @@
             "dependencies": {
                 "debug": {
                     "version": "4.1.1",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
                     "integrity": "sha1-O3ImAlUQnGtYnO4FDx1RYTlmR5E=",
                     "dev": true,
                     "requires": {
@@ -10319,7 +10319,7 @@
             "dependencies": {
                 "debug": {
                     "version": "4.1.1",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
                     "integrity": "sha1-O3ImAlUQnGtYnO4FDx1RYTlmR5E=",
                     "dev": true,
                     "requires": {
@@ -11741,7 +11741,7 @@
                 },
                 "debug": {
                     "version": "4.1.1",
-                    "resolved": "http://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
+                    "resolved": "https://registry.npm.taobao.org/debug/download/debug-4.1.1.tgz",
                     "integrity": "sha1-O3ImAlUQnGtYnO4FDx1RYTlmR5E=",
                     "dev": true,
                     "requires": {
diff --git a/package.json b/package.json
index 65bb631..f7da9d1 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
         "cross-env": "^5.1",
         "element-ui": "^2.13.2",
         "laravel-mix": "^5.0.4",
-        "lodash": "^4.17.19",
+        "lodash": "^4.17.21",
         "nprogress": "^0.2.0",
         "popper.js": "^1.16.1",
         "resolve-url-loader": "^2.3.1",