diff --git a/demo/package-lock.json b/demo/package-lock.json
index c31633a8..684f946f 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -18,7 +18,7 @@
         "agora-rtc-sdk-ng": "^4.16.0",
         "ansi-styles": "^3.2.0",
         "autoprefixer": "7.1.1",
-        "axios": "^0.19.0",
+        "axios": "^0.21.2",
         "babel-core": "6.25.0",
         "babel-eslint": "10.1.0",
         "babel-jest": "^24.9.0",
@@ -8918,11 +8918,11 @@
       }
     },
     "node_modules/axios": {
-      "version": "0.19.2",
-      "resolved": "https://registry.npm.taobao.org/axios/download/axios-0.19.2.tgz",
-      "integrity": "sha1-PqNsXYgY0NX4qKl6bTa4bNwAyyc=",
+      "version": "0.21.2",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.2.tgz",
+      "integrity": "sha512-87otirqUw3e8CzHTMO+/9kh/FSgXt/eVDvipijwDtEuwbkySWZ9SBm6VEubmJ/kLKEoLQV/POhxXFb66bfekfg==",
       "dependencies": {
-        "follow-redirects": "1.5.10"
+        "follow-redirects": "^1.14.0"
       }
     },
     "node_modules/axobject-query": {
@@ -14355,6 +14355,7 @@
       "version": "3.1.0",
       "resolved": "https://registry.npm.taobao.org/debug/download/debug-3.1.0.tgz",
       "integrity": "sha1-W7WgZyYotkFJVmuhaBnmFRjGcmE=",
+      "dev": true,
       "dependencies": {
         "ms": "2.0.0"
       }
@@ -17535,14 +17536,22 @@
       }
     },
     "node_modules/follow-redirects": {
-      "version": "1.5.10",
-      "resolved": "https://registry.npm.taobao.org/follow-redirects/download/follow-redirects-1.5.10.tgz",
-      "integrity": "sha1-e3qfmuov3/NnhqlP9kPtB/T/Xio=",
-      "dependencies": {
-        "debug": "=3.1.0"
-      },
+      "version": "1.15.2",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.2.tgz",
+      "integrity": "sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
+      ],
       "engines": {
         "node": ">=4.0"
+      },
+      "peerDependenciesMeta": {
+        "debug": {
+          "optional": true
+        }
       }
     },
     "node_modules/for-in": {
@@ -56681,11 +56690,11 @@
       "dev": true
     },
     "axios": {
-      "version": "0.19.2",
-      "resolved": "https://registry.npm.taobao.org/axios/download/axios-0.19.2.tgz",
-      "integrity": "sha1-PqNsXYgY0NX4qKl6bTa4bNwAyyc=",
+      "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"
+        "follow-redirects": "^1.14.0"
       }
     },
     "axobject-query": {
@@ -61456,6 +61465,7 @@
       "version": "3.1.0",
       "resolved": "https://registry.npm.taobao.org/debug/download/debug-3.1.0.tgz",
       "integrity": "sha1-W7WgZyYotkFJVmuhaBnmFRjGcmE=",
+      "dev": true,
       "requires": {
         "ms": "2.0.0"
       }
@@ -64115,12 +64125,9 @@
       }
     },
     "follow-redirects": {
-      "version": "1.5.10",
-      "resolved": "https://registry.npm.taobao.org/follow-redirects/download/follow-redirects-1.5.10.tgz",
-      "integrity": "sha1-e3qfmuov3/NnhqlP9kPtB/T/Xio=",
-      "requires": {
-        "debug": "=3.1.0"
-      }
+      "version": "1.15.2",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.2.tgz",
+      "integrity": "sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA=="
     },
     "for-in": {
       "version": "1.0.2",
diff --git a/demo/package.json b/demo/package.json
index 40988d07..b5b62e76 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -41,7 +41,7 @@
     "agora-rtc-sdk-ng": "^4.16.0",
     "ansi-styles": "^3.2.0",
     "autoprefixer": "7.1.1",
-    "axios": "^0.19.0",
+    "axios": "^0.21.2",
     "babel-core": "6.25.0",
     "babel-eslint": "10.1.0",
     "babel-jest": "^24.9.0",