修改

 {
 {
-    "name": "karsonzhang/fastadmin",
-    "description": "the fastest admin framework",
-    "type": "project",
-    "keywords": [
-        "fastadmin",
-        "thinkphp"
-    ],
-    "homepage": "https://www.fastadmin.net/",
-    "license": "Apache-2.0",
-    "authors": [
-        {
-            "name": "Karson",
-            "email": "karson@fastadmin.net"
-        }
-    ],
-    "require": {
-        "php": ">=7.0.0",
-        "topthink/framework": "~5.0.24",
-        "topthink/think-captcha": "^1.0",
-        "phpmailer/phpmailer": "~6.1.6",
-        "karsonzhang/fastadmin-addons": "~1.2.4",
-        "overtrue/pinyin": "~3.0",
-        "phpoffice/phpspreadsheet": "^1.2",
-        "overtrue/wechat": "4.2.11",
-        "nelexa/zip": "^3.3",
-        "symfony/var-exporter": "^4.4.13",
-        "ext-json": "*",
-        "ext-curl": "*",
-        "ext-pdo": "*"
-    },
-    "config": {
-        "preferred-install": "dist"
+  "name": "karsonzhang/fastadmin",
+  "description": "the fastest admin framework",
+  "type": "project",
+  "keywords": [
+    "fastadmin",
+    "thinkphp"
+  ],
+  "homepage": "https://www.fastadmin.net/",
+  "license": "Apache-2.0",
+  "authors": [
+    {
+      "name": "Karson",
+      "email": "karson@fastadmin.net"
     }
     }
+  ],
+  "require": {
+    "php": ">=7.0.0",
+    "topthink/framework": "~5.0.24",
+    "topthink/think-captcha": "^1.0",
+    "phpmailer/phpmailer": "~6.1.6",
+    "karsonzhang/fastadmin-addons": "~1.2.4",
+    "overtrue/pinyin": "~3.0",
+    "phpoffice/phpspreadsheet": "^1.2",
+    "overtrue/wechat": "3.0",
+    "nelexa/zip": "^3.3",
+    "symfony/var-exporter": "^4.4.13",
+    "ext-json": "*",
+    "ext-curl": "*",
+    "ext-pdo": "*"
+  },
+  "config": {
+    "preferred-install": "dist"
+  }
 }
 }