diff --git a/okex-node-sdk-api/package-lock.json b/okex-node-sdk-api/package-lock.json
index 5757431..1bfe41e 100644
--- a/okex-node-sdk-api/package-lock.json
+++ b/okex-node-sdk-api/package-lock.json
@@ -772,19 +772,11 @@
       }
     },
     "axios": {
-      "version": "0.18.1",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.1.tgz",
-      "integrity": "sha512-0BfJq4NSfQXd+SkFdrvFbG7addhYSBA2mQwISr46pD6E5iqkWg02RAs8vyTT/j0RTnoYmeXauBuSv1qKwR179g==",
+      "version": "0.21.2",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.2.tgz",
+      "integrity": "sha512-87otirqUw3e8CzHTMO+/9kh/FSgXt/eVDvipijwDtEuwbkySWZ9SBm6VEubmJ/kLKEoLQV/POhxXFb66bfekfg==",
       "requires": {
-        "follow-redirects": "1.5.10",
-        "is-buffer": "^2.0.2"
-      },
-      "dependencies": {
-        "is-buffer": {
-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.3.tgz",
-          "integrity": "sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw=="
-        }
+        "follow-redirects": "^1.14.0"
       }
     },
     "babel-code-frame": {
@@ -812,7 +804,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -825,7 +817,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -1813,7 +1805,7 @@
         },
         "string-width": {
           "version": "1.0.2",
-          "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
@@ -1824,7 +1816,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -2068,7 +2060,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -2110,7 +2102,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -2329,7 +2321,7 @@
         },
         "camelcase-keys": {
           "version": "2.1.0",
-          "resolved": "http://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
           "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
           "dev": true,
           "requires": {
@@ -2364,7 +2356,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -2383,7 +2375,7 @@
         },
         "meow": {
           "version": "3.7.0",
-          "resolved": "http://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
+          "resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
           "integrity": "sha1-cstmi0JSKCkKu/qFaJJYcwioAfs=",
           "dev": true,
           "requires": {
@@ -2436,7 +2428,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -2787,7 +2779,7 @@
       "dependencies": {
         "globby": {
           "version": "6.1.0",
-          "resolved": "http://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
           "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
           "dev": true,
           "requires": {
@@ -2800,7 +2792,7 @@
           "dependencies": {
             "pify": {
               "version": "2.3.0",
-              "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
               "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
               "dev": true
             }
@@ -3327,27 +3319,9 @@
       }
     },
     "follow-redirects": {
-      "version": "1.5.10",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
-      "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
-      "requires": {
-        "debug": "=3.1.0"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
-        }
-      }
+      "version": "1.15.0",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.0.tgz",
+      "integrity": "sha512-aExlJShTV4qOUOL7yF1U5tvLCB0xQuudbf6toyYA0E/acBNw71mvjFTnLaRp50aQaYocMR0a/RMMBIHeZnGyjQ=="
     },
     "for-in": {
       "version": "1.0.2",
@@ -3451,7 +3425,7 @@
         },
         "camelcase-keys": {
           "version": "2.1.0",
-          "resolved": "http://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
           "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
           "dev": true,
           "requires": {
@@ -3486,7 +3460,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -3505,7 +3479,7 @@
         },
         "meow": {
           "version": "3.7.0",
-          "resolved": "http://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
+          "resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
           "integrity": "sha1-cstmi0JSKCkKu/qFaJJYcwioAfs=",
           "dev": true,
           "requires": {
@@ -3558,7 +3532,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -3661,7 +3635,7 @@
       "dependencies": {
         "globby": {
           "version": "6.1.0",
-          "resolved": "http://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
           "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
           "dev": true,
           "requires": {
@@ -3674,7 +3648,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         }
@@ -3730,7 +3704,7 @@
       "dependencies": {
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         }
@@ -4099,7 +4073,7 @@
     },
     "is-accessor-descriptor": {
       "version": "0.1.6",
-      "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+      "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
       "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
       "dev": true,
       "requires": {
@@ -4164,7 +4138,7 @@
     },
     "is-data-descriptor": {
       "version": "0.1.4",
-      "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+      "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
       "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
       "dev": true,
       "requires": {
@@ -5182,7 +5156,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         }
@@ -6180,7 +6154,7 @@
       "dependencies": {
         "jsesc": {
           "version": "0.5.0",
-          "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
           "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
           "dev": true
         }
@@ -6764,7 +6738,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -6787,7 +6761,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -7158,7 +7132,7 @@
       "dependencies": {
         "fs-extra": {
           "version": "0.30.0",
-          "resolved": "http://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
           "integrity": "sha1-8jP/zAjU2n1DLapEl3aYnbHfk/A=",
           "dev": true,
           "requires": {
@@ -7171,7 +7145,7 @@
         },
         "jsonfile": {
           "version": "2.4.0",
-          "resolved": "http://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
           "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
           "dev": true,
           "requires": {
@@ -7193,7 +7167,7 @@
       "dependencies": {
         "ansi-align": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/ansi-align/-/ansi-align-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-1.1.0.tgz",
           "integrity": "sha1-LwwWWIKXOa3V67FeawxuNCPwFro=",
           "dev": true,
           "requires": {
@@ -7214,7 +7188,7 @@
         },
         "boxen": {
           "version": "0.6.0",
-          "resolved": "http://registry.npmjs.org/boxen/-/boxen-0.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/boxen/-/boxen-0.6.0.tgz",
           "integrity": "sha1-g2TUJIrDT/DvGy8r9JpsYM4NgbY=",
           "dev": true,
           "requires": {
@@ -7237,7 +7211,7 @@
         },
         "camelcase-keys": {
           "version": "2.1.0",
-          "resolved": "http://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
           "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
           "dev": true,
           "requires": {
@@ -7247,7 +7221,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -7352,7 +7326,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -7371,7 +7345,7 @@
         },
         "meow": {
           "version": "3.7.0",
-          "resolved": "http://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
+          "resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
           "integrity": "sha1-cstmi0JSKCkKu/qFaJJYcwioAfs=",
           "dev": true,
           "requires": {
@@ -7395,7 +7369,7 @@
         },
         "package-json": {
           "version": "2.4.0",
-          "resolved": "http://registry.npmjs.org/package-json/-/package-json-2.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/package-json/-/package-json-2.4.0.tgz",
           "integrity": "sha1-DRW9Z9HLvduyyiIv8u24a8sxqLs=",
           "dev": true,
           "requires": {
@@ -7436,7 +7410,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -7473,7 +7447,7 @@
         },
         "string-width": {
           "version": "1.0.2",
-          "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
@@ -7484,7 +7458,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -7535,7 +7509,7 @@
         },
         "update-notifier": {
           "version": "1.0.3",
-          "resolved": "http://registry.npmjs.org/update-notifier/-/update-notifier-1.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-1.0.3.tgz",
           "integrity": "sha1-j5LFFUgr1oMbfJMBPnD4dVLHz1o=",
           "dev": true,
           "requires": {
@@ -7551,13 +7525,13 @@
         },
         "uuid": {
           "version": "2.0.3",
-          "resolved": "http://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
           "integrity": "sha1-Z+LoY3lyFVMN/zGOW/nc6/1Hsho=",
           "dev": true
         },
         "widest-line": {
           "version": "1.0.0",
-          "resolved": "http://registry.npmjs.org/widest-line/-/widest-line-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-1.0.0.tgz",
           "integrity": "sha1-DAnIXCqUaD0Nfq+O4JfVZL8OEFw=",
           "dev": true,
           "requires": {
@@ -8012,7 +7986,7 @@
     },
     "wrap-ansi": {
       "version": "2.1.0",
-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
@@ -8037,7 +8011,7 @@
         },
         "string-width": {
           "version": "1.0.2",
-          "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
@@ -8048,7 +8022,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -8103,7 +8077,7 @@
       "dependencies": {
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -8159,7 +8133,7 @@
       "dependencies": {
         "load-json-file": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
           "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
           "dev": true,
           "requires": {
@@ -8189,7 +8163,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
diff --git a/okex-node-sdk-api/package.json b/okex-node-sdk-api/package.json
index 6301aed..d68d34b 100644
--- a/okex-node-sdk-api/package.json
+++ b/okex-node-sdk-api/package.json
@@ -51,7 +51,7 @@
     "node": ">=8.9"
   },
   "dependencies": {
-    "axios": "^0.18.1",
+    "axios": "^0.21.2",
     "crc-32": "^1.2.0",
     "pako": "^1.0.8",
     "run-script": "^0.1.1",