diff --git a/composer.json b/composer.json
index fa908d2..92167f1 100644
--- a/composer.json
+++ b/composer.json
@@ -53,7 +53,7 @@
         "cccyun/php-whois": "^1.0",
         "cccyun/think-captcha": "^3.0",
         "guzzlehttp/guzzle": "^7.0",
-        "phpmailer/phpmailer": "^6.10",
+        "phpmailer/phpmailer": "^7.0",
         "symfony/polyfill-intl-idn": "^1.32",
         "symfony/polyfill-mbstring": "^1.32",
         "symfony/polyfill-php81": "^1.32",
diff --git a/composer.lock b/composer.lock
index ebcf7ea..6d837a0 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "f7c4abfaf4cb80cd99107e9e1763e75c",
+    "content-hash": "34b2ff614d9cf3cc515823086a4f091b",
     "packages": [
         {
             "name": "cccyun/php-whois",
@@ -445,16 +445,16 @@
         },
         {
             "name": "phpmailer/phpmailer",
-            "version": "v6.11.1",
+            "version": "v7.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPMailer/PHPMailer.git",
-                "reference": "d9e3b36b47f04b497a0164c5a20f92acb4593284"
+                "reference": "c7111310c6116ba508a6a170a89eaaed2129bd42"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPMailer/PHPMailer/zipball/d9e3b36b47f04b497a0164c5a20f92acb4593284",
-                "reference": "d9e3b36b47f04b497a0164c5a20f92acb4593284",
+                "url": "https://api.github.com/repos/PHPMailer/PHPMailer/zipball/c7111310c6116ba508a6a170a89eaaed2129bd42",
+                "reference": "c7111310c6116ba508a6a170a89eaaed2129bd42",
                 "shasum": ""
             },
             "require": {
@@ -515,7 +515,7 @@
             "description": "PHPMailer is a full-featured email creation and transfer class for PHP",
             "support": {
                 "issues": "https://github.com/PHPMailer/PHPMailer/issues",
-                "source": "https://github.com/PHPMailer/PHPMailer/tree/v6.11.1"
+                "source": "https://github.com/PHPMailer/PHPMailer/tree/v7.0.0"
             },
             "funding": [
                 {
@@ -523,7 +523,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-09-30T11:54:53+00:00"
+            "time": "2025-10-15T16:40:02+00:00"
         },
         {
             "name": "psr/container",
@@ -2046,7 +2046,7 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
@@ -2060,6 +2060,6 @@
         "ext-sockets": "*",
         "ext-ssh2": "*"
     },
-    "platform-dev": [],
+    "platform-dev": {},
     "plugin-api-version": "2.6.0"
 }