diff --git a/package-lock.json b/package-lock.json
index 220de4a..374ff30 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": {
@@ -4900,19 +4900,9 @@
             }
         },
         "flat": {
-            "version": "5.0.0",
-            "resolved": "https://registry.npm.taobao.org/flat/download/flat-5.0.0.tgz",
-            "integrity": "sha1-2rfXHWBBO+ywrC3pv0MESV469q8=",
-            "requires": {
-                "is-buffer": "~2.0.4"
-            },
-            "dependencies": {
-                "is-buffer": {
-                    "version": "2.0.4",
-                    "resolved": "https://registry.npm.taobao.org/is-buffer/download/is-buffer-2.0.4.tgz",
-                    "integrity": "sha1-PlcvI8hBGlz9lVfISeNmXgspBiM="
-                }
-            }
+            "version": "5.0.1",
+            "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.1.tgz",
+            "integrity": "sha512-DUYDWLlMhV9qvhjbgmhDQ3ZycXmoOKzrj4KN0+5BEat5SqTlXcXzxNgwiSN1UQHA5Z0BsgYYPelhQHVhpfqaVA=="
         },
         "flush-write-stream": {
             "version": "1.1.1",
@@ -6490,7 +6480,7 @@
         },
         "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": {
@@ -9852,7 +9842,7 @@
             "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 +9891,7 @@
             "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 +10076,7 @@
             "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 +10284,7 @@
             "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 +10309,7 @@
             "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 +11731,7 @@
                 },
                 "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..3ac2266 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
         "wangeditor": "^3.1.1"
     },
     "dependencies": {
-        "flat": "^5.0.0",
+        "flat": "^5.0.1",
         "js-cookie": "^2.2.1",
         "mavon-editor": "^2.9.0",
         "vue-progressbar": "^0.7.5",