diff --git a/composer.json b/composer.json
index 59d8cf7..5ced6e2 100644
--- a/composer.json
+++ b/composer.json
@@ -1,18 +1,24 @@
 {
-    "name": "aix/mime-type-sniffer",
-    "description": "mime sniffer",
-    "type": "library",
-    "license": "MIT",
-    "authors": [
-        {
-            "name": "chenc",
-            "email": "1458513@qq.com"
-        }
+  "name": "aix/mime-type-sniffer",
+  "description": "jsaix mime-type-sniffer",
+  "version": "1.0.0",
+  "type": "libs",
+  "license": "JSAIX LICENSE",
+  "authors": [
+    {
+      "name": "chenc",
+      "email": "1458513@qq.com"
+    }
+  ],
+  "require": {
+    "php": "> 7"
+  },
+  "autoload": {
+    "classmap": [
+      "src/"
     ],
-    "autoload": {
-        "psr-4": {
-            "Aix\\MimeTypeSniffer\\": "src/"
-        }
-    },
-    "require": {}
+    "psr-4": {
+      "MimeTypeSniffer\\": "src/"
+    }
+  }
 }