diff --git a/composer.lock b/composer.lock
index d879f9ab2..bbba82195 100644
--- a/composer.lock
+++ b/composer.lock
@@ -783,12 +783,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/zoujingli/ThinkLibrary.git",
-                "reference": "4a616d7c4852a46b4d4038a6715c9d62303e5d99"
+                "reference": "8d5bb74a4956debf5a37fa1e04d81723910cb889"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/zoujingli/ThinkLibrary/zipball/4a616d7c4852a46b4d4038a6715c9d62303e5d99",
-                "reference": "4a616d7c4852a46b4d4038a6715c9d62303e5d99",
+                "url": "https://api.github.com/repos/zoujingli/ThinkLibrary/zipball/8d5bb74a4956debf5a37fa1e04d81723910cb889",
+                "reference": "8d5bb74a4956debf5a37fa1e04d81723910cb889",
                 "shasum": "",
                 "mirrors": [
                     {
@@ -832,7 +832,7 @@
             ],
             "description": "ThinkPHP v6.0 Development Library",
             "homepage": "http://framework.thinkadmin.top",
-            "time": "2019-11-28T08:04:45+00:00"
+            "time": "2019-11-28T09:07:59+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 35841df7e..cf468bfce 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -805,12 +805,12 @@
         "source": {
             "type": "git",
             "url": "https://github.com/zoujingli/ThinkLibrary.git",
-            "reference": "4a616d7c4852a46b4d4038a6715c9d62303e5d99"
+            "reference": "8d5bb74a4956debf5a37fa1e04d81723910cb889"
         },
         "dist": {
             "type": "zip",
-            "url": "https://api.github.com/repos/zoujingli/ThinkLibrary/zipball/4a616d7c4852a46b4d4038a6715c9d62303e5d99",
-            "reference": "4a616d7c4852a46b4d4038a6715c9d62303e5d99",
+            "url": "https://api.github.com/repos/zoujingli/ThinkLibrary/zipball/8d5bb74a4956debf5a37fa1e04d81723910cb889",
+            "reference": "8d5bb74a4956debf5a37fa1e04d81723910cb889",
             "shasum": "",
             "mirrors": [
                 {
@@ -826,7 +826,7 @@
             "ext-json": "*",
             "topthink/framework": "^6.0"
         },
-        "time": "2019-11-28T08:04:45+00:00",
+        "time": "2019-11-28T09:07:59+00:00",
         "type": "library",
         "extra": {
             "think": {
diff --git a/vendor/services.php b/vendor/services.php
index 0841ab794..12ceaf00b 100644
--- a/vendor/services.php
+++ b/vendor/services.php
@@ -1,5 +1,5 @@
 <?php 
-// This file is automatically generated at:2019-11-28 16:10:35
+// This file is automatically generated at:2019-11-28 17:15:19
 declare (strict_types = 1);
 return array (
   0 => 'think\\app\\Service',
diff --git a/vendor/zoujingli/think-library/src/service/SystemService.php b/vendor/zoujingli/think-library/src/service/SystemService.php
index 61b628a42..df3ec809c 100644
--- a/vendor/zoujingli/think-library/src/service/SystemService.php
+++ b/vendor/zoujingli/think-library/src/service/SystemService.php
@@ -139,13 +139,17 @@ class SystemService extends Service
     /**
      * 读取数据内容
      * @param string $name
-     * @param string $default
+     * @param mixed $default
      * @return mixed
      */
-    public function getData($name, $default = null)
+    public function getData($name, $default = [])
     {
-        $value = $this->app->db->name('SystemData')->where(['name' => $name])->value('value', null);
-        return is_null($value) ? $default : unserialize($value);
+        try {
+            $value = $this->app->db->name('SystemData')->where(['name' => $name])->value('value', null);
+            return is_null($value) ? $default : unserialize($value);
+        } catch (\Exception $e) {
+            return $default;
+        }
     }
 
     /**