diff --git a/library/think/Template.php b/library/think/Template.php
index 8fe5190c..02cd504b 100644
--- a/library/think/Template.php
+++ b/library/think/Template.php
@@ -64,12 +64,14 @@ class Template
      */
     public function __construct(array $config = [])
     {
-        $this->config['cache_path']   = TEMP_PATH;
-        $this->config                 = array_merge($this->config, $config);
-        $this->config['taglib_begin'] = $this->stripPreg($this->config['taglib_begin']);
-        $this->config['taglib_end']   = $this->stripPreg($this->config['taglib_end']);
-        $this->config['tpl_begin']    = $this->stripPreg($this->config['tpl_begin']);
-        $this->config['tpl_end']      = $this->stripPreg($this->config['tpl_end']);
+        $this->config['cache_path']          = TEMP_PATH;
+        $this->config                        = array_merge($this->config, $config);
+        $this->config['taglib_begin_origin'] = $this->config['taglib_begin'];
+        $this->config['taglib_end_origin']   = $this->config['taglib_end'];
+        $this->config['taglib_begin']        = $this->stripPreg($this->config['taglib_begin']);
+        $this->config['taglib_end']          = $this->stripPreg($this->config['taglib_end']);
+        $this->config['tpl_begin']           = $this->stripPreg($this->config['tpl_begin']);
+        $this->config['tpl_end']             = $this->stripPreg($this->config['tpl_end']);
 
         // 初始化模板编译存储器
         $type          = $this->config['compile_type'] ? $this->config['compile_type'] : 'File';
diff --git a/library/think/template/TagLib.php b/library/think/template/TagLib.php
index f6fa4a22..c5b72f91 100644
--- a/library/think/template/TagLib.php
+++ b/library/think/template/TagLib.php
@@ -264,8 +264,8 @@ class TagLib
             if (!empty($this->tags[$name]['expression'])) {
                 static $_taglibs;
                 if (!isset($_taglibs[$name])) {
-                    $_taglibs[$name][0] = strlen(ltrim($this->tpl->config('taglib_begin'), '\\') . $name);
-                    $_taglibs[$name][1] = strlen(ltrim($this->tpl->config('taglib_end'), '\\'));
+                    $_taglibs[$name][0] = strlen($this->tpl->config('taglib_begin_origin') . $name);
+                    $_taglibs[$name][1] = strlen($this->tpl->config('taglib_end_origin'));
                 }
                 $result['expression'] = substr($str, $_taglibs[$name][0], -$_taglibs[$name][1]);
                 // 清除自闭合标签尾部/