diff --git a/library/think/Loader.php b/library/think/Loader.php
index c2c96f49..c7b7ab9a 100644
--- a/library/think/Loader.php
+++ b/library/think/Loader.php
@@ -211,13 +211,13 @@ class Loader
             } elseif ('@' == $name || MODULE_NAME == $name) {
                 //加载当前模块应用类库
                 $baseUrl = MODULE_PATH;
-            } elseif (in_array($name, ['traits', 'think', 'behavior']) || is_dir(LIB_PATH . $name)) {
+            } elseif (in_array($name, ['traits', 'think', 'behavior'])) {
                 $baseUrl = LIB_PATH;
-            } elseif (is_dir(EXTEND_PATH . $name)) {
-                $baseUrl = EXTEND_PATH;
             } elseif (APP_NAMESPACE == $name) {
                 // 项目命名空间
                 $baseUrl = APP_PATH;
+            } elseif (is_dir(EXTEND_PATH . $name)) {
+                $baseUrl = EXTEND_PATH;
             } else {
                 // 加载其他模块应用类库
                 $baseUrl = APP_PATH . $name . DS;
diff --git a/library/think/Model.php b/library/think/Model.php
index 8f89108f..c62819f6 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -1068,12 +1068,19 @@ class Model
         } else {
             $rule = isset($val[0]) ? $val[0] : $val;
             $type = isset($val[1]) ? $val[1] : 'value';
+            if ($rule instanceof \Closure) {
+                $type = 'callback';
+            }
             switch ($type) {
                 case 'behavior':
                     Hook::exec($rule, '', $data);
                     break;
                 case 'callback':
-                    $data[$key] = call_user_func_array($rule, [$value, &$data]);
+                    if (is_array($rule) || (is_string($rule) && strpos($rule, '::'))) {
+                        $data[$key] = App::invokeMethod($rule, [$value, &$data]);
+                    } else {
+                        $data[$key] = App::invokeFunction($rule, [$value, &$data]);
+                    }
                     break;
                 case 'ignore':
                     if ($rule === $value) {
@@ -1103,9 +1110,16 @@ class Model
         $msg     = isset($val[1]) ? $val[1] : 'data validate error : [ ' . $key . ' ]';
         $type    = isset($val[2]) ? $val[2] : 'regex';
         $options = isset($val[3]) ? $val[3] : [];
+        if ($rule instanceof \Closure) {
+            $type = 'callback';
+        }
         switch ($type) {
             case 'callback':
-                $result = call_user_func_array($rule, [$value, &$data]);
+                if (is_array($rule) || (is_string($rule) && strpos($rule, '::'))) {
+                    $result = App::invokeMethod($rule, [$value, &$data]);
+                } else {
+                    $result = App::invokeFunction($rule, [$value, &$data]);
+                }
                 break;
             case 'behavior':
                 // 行为验证