diff --git a/read-note/package-lock.json b/read-note/package-lock.json
index 9aadb1f..62fb43f 100644
--- a/read-note/package-lock.json
+++ b/read-note/package-lock.json
@@ -661,9 +661,9 @@
       }
     },
     "svelte": {
-      "version": "3.22.3",
-      "resolved": "https://registry.npm.taobao.org/svelte/download/svelte-3.22.3.tgz?cache=0&sync_timestamp=1589725259320&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsvelte%2Fdownload%2Fsvelte-3.22.3.tgz",
-      "integrity": "sha1-avO9z+pEwvrb8XoyxHn0m98auks=",
+      "version": "3.49.0",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.49.0.tgz",
+      "integrity": "sha512-+lmjic1pApJWDfPCpUUTc1m8azDqYCG1JN9YEngrx/hUyIcFJo6VZhj0A1Ai0wqoHcEIuQy+e9tk+4uDgdtsFA==",
       "dev": true
     },
     "terser": {
diff --git a/read-note/package.json b/read-note/package.json
index 81e814c..58c4afd 100644
--- a/read-note/package.json
+++ b/read-note/package.json
@@ -13,7 +13,7 @@
     "rollup-plugin-livereload": "^1.0.0",
     "rollup-plugin-svelte": "^5.0.3",
     "rollup-plugin-terser": "^5.1.2",
-    "svelte": "^3.0.0"
+    "svelte": "^3.49.0"
   },
   "dependencies": {
     "file-saver": "^2.0.2",