diff --git a/application/common/taglib/Tp.php b/application/common/taglib/Tp.php
index eab3f7297168ad930c04e15f4d141dc90b55fc78..198198b2935df55226ed3e1d687139d17bfe8918 100644
--- a/application/common/taglib/Tp.php
+++ b/application/common/taglib/Tp.php
@@ -99,7 +99,7 @@ class Tp extends TagLib {
     //通用栏目信息
     Public function tagCate($tag){
         $id   = isset($tag['id'])?$tag['id']:"input('catId')";
-        $type = $tag['type']?$tag['type']:'catname';
+        $type = isset($tag['type'])?$tag['type']:'catname';
 
         $str = '<?php ';
         $str .= '$__CATE__=Db::name("cate")->where("id",'.$id.')->find();';
@@ -113,7 +113,7 @@ class Tp extends TagLib {
 
     //通用位置信息
     Public function tagPosition($tag,$content){
-        $name   = $tag['name']?$tag['name']:'position';
+        $name   = isset($tag['name'])?$tag['name']:'position';
         $parse  = '<?php ';
         $parse .= '$__CATE__ = Db::name(\'cate\')->select();';
         $parse .= '$__LIST__ = getParents($__CATE__,input(\'catId\'));';
@@ -127,7 +127,7 @@ class Tp extends TagLib {
 
     //获取友情链接
     Public function tagLink($tag,$content){
-        $name   = $tag['name']?$tag['name']:'link';
+        $name   = isset($tag['name'])?$tag['name']:'link';
         $parse  = '<?php ';
         $parse .= '$__LIST__ = Db::name(\'link\')->where(\'status\',1)->order(\'sort ASC,id desc\')->select();';
         $parse .= ' ?>';
@@ -268,7 +268,7 @@ class Tp extends TagLib {
 
     //详情上一篇
     Public function tagPrev($tag){
-        $len = $tag['len']?$tag['len']:'';
+        $len = isset($tag['len'])?$tag['len']:'';
 
         $str  = '<?php ';
         $str .= '
@@ -301,7 +301,7 @@ class Tp extends TagLib {
 
     //详情下一篇
     Public function tagNext($tag){
-        $len = $tag['len']?$tag['len']:'';
+        $len = isset($tag['len'])?$tag['len']:'';
 
         $str  = '<?php ';
         $str .= '