diff --git a/composer.json b/composer.json
index 79a4a86..11380da 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,8 @@
         "thans/tp-jwt-auth": "^1.0",
         "workerman/workerman": "^3.5",
         "jaguarjack/think-filesystem-cloud": "dev-master",
-        "overtrue/wechat": "^4.2"
+        "overtrue/wechat": "^4.2",
+         "ext-json": "*"
     },
     "require-dev": {
         "symfony/var-dumper": "^4.2",
diff --git a/composer.lock b/composer.lock
index 187c6d7..a885b53 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3181,5 +3181,6 @@
     "platform": {
         "php": ">=7.1.0"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
 }