diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 206e03990..86f402413 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -502,12 +502,12 @@
         "source": {
             "type": "git",
             "url": "https://github.com/zoujingli/ThinkLibrary.git",
-            "reference": "9b520cd35b4c7e9da6b928def3c5ec779e67bc0f"
+            "reference": "8821ce7703baafc18f32668cf949e803e8c19904"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/zoujingli/ThinkLibrary/zipball/9b520cd35b4c7e9da6b928def3c5ec779e67bc0f",
-            "reference": "9b520cd35b4c7e9da6b928def3c5ec779e67bc0f",
+            "url": "https://api.github.com/repos/zoujingli/ThinkLibrary/zipball/8821ce7703baafc18f32668cf949e803e8c19904",
+            "reference": "8821ce7703baafc18f32668cf949e803e8c19904",
             "shasum": "",
             "mirrors": [
                 {
@@ -527,7 +527,7 @@
             "qiniu/php-sdk": "^7.2",
             "topthink/framework": "5.1.*"
         },
-        "time": "2019-11-28T08:41:39+00:00",
+        "time": "2019-11-28T09:08:14+00:00",
         "type": "library",
         "installation-source": "dist",
         "autoload": {
diff --git a/vendor/zoujingli/think-library/src/service/SystemService.php b/vendor/zoujingli/think-library/src/service/SystemService.php
index 7986234f9..09a06fbf6 100644
--- a/vendor/zoujingli/think-library/src/service/SystemService.php
+++ b/vendor/zoujingli/think-library/src/service/SystemService.php
@@ -86,10 +86,14 @@ class SystemService extends Service
      * @param mixed $default 默认值
      * @return mixed
      */
-    public function getData($name, $default = null)
+    public function getData($name, $default = [])
     {
-        $value = Db::name('SystemData')->where(['name' => $name])->value('value');
-        return empty($value) ? $default : unserialize($value);
+        try {
+            $value = Db::name('SystemData')->where(['name' => $name])->value('value');
+            return empty($value) ? $default : unserialize($value);
+        } catch (\Exception $e) {
+            return $default;
+        }
     }
 
     /**