diff --git a/library/think/View.php b/library/think/View.php
index 023eaf5b..ca2dadbb 100644
--- a/library/think/View.php
+++ b/library/think/View.php
@@ -158,7 +158,7 @@ class View
         try {
             $method = $renderContent ? 'display' : 'fetch';
             // 允许用户自定义模板的字符串替换
-            $replace = array_merge($this->replace, $replace, $this->engine->config('tpl_replace_string'));
+            $replace = array_merge($this->replace, $replace, (array) $this->engine->config('tpl_replace_string'));
             $this->engine->config('tpl_replace_string', $replace);
             $this->engine->$method($template, $vars, $config);
         } catch (\Exception $e) {