diff --git a/helper/gnuboard.dbt.php b/helper/gnuboard.dbt.php
index 2764e7d..0e0f649 100644
--- a/helper/gnuboard.dbt.php
+++ b/helper/gnuboard.dbt.php
@@ -35,7 +35,7 @@ if(!function_exists("gnb_write_post")) {
     function gnb_write_post($tablename, $data=array(), $version=4) {
         $result = false;
 
-		$write_table = gnb_get_write_table($tablename);
+        $write_table = gnb_get_write_table($tablename);
         $mb_id = get_current_user_name();
 
         // load network helper
@@ -83,10 +83,10 @@ if(!function_exists("gnb_write_post")) {
             $write_fields[$k] = array_key_empty($k, $data) ? $v : $data[$k];
         }
 
-		if(count($write_fields) > 0) {
-			$sql = get_bind_to_sql_insert($write_table, $write_fields);
-			$result = exec_db_query($sql, $write_fields);
-		}
+        if(count($write_fields) > 0) {
+            $sql = get_bind_to_sql_insert($write_table, $write_fields);
+            $result = exec_db_query($sql, $write_fields);
+        }
 
         return $result;
     }
@@ -166,71 +166,71 @@ if(!function_exists("gnb_process_safe_login")) {
 
 // run join member
 if(!function_exists("gnb_join_member")) {
-	function gnb_join_member($user_name, $user_password, $data=array(), $tablename="member") {
+    function gnb_join_member($user_name, $user_password, $data=array(), $tablename="member") {
         $result = false;
 
-		$member_table = gnb_get_db_prefix() . $tablename;
-		$gnb_config = gnb_get_config();
+        $member_table = gnb_get_db_prefix() . $tablename;
+        $gnb_config = gnb_get_config();
 
         // load network helper
         loadHelper("networktool");
 
-		$member_fields = array();
-		$member_default_fields = array(
-			"mb_id" => $user_name,
-			"ug_id" => "",
-			"mb_password" => gnb_get_password($user_password),
-			"mb_name" => "",
-			"mb_jumin" => "",
-			"mb_sex" => "",
-			"mb_birth" => "",
-			"mb_nick" => "",
-			"mb_nick_date" => "",
-			"mb_password_q" => "",
-			"mb_password_a" => "",
-			"mb_email" => "",
-			"mb_homepage" => "",
-			"mb_tel" => "",
-			"mb_hp" => "",
-			"mb_zip1" => "",
-			"mb_zip2" => "",
-			"mb_addr1" => "",
-			"mb_addr2" => "",
-			"mb_addr3" => "",
-			"mb_addr_jibeon" => "",
-			"mb_signature" => "",
-			"mb_profile" => "",
-			"mb_today_login" => get_current_datetime(),
-			"mb_datetime" => get_current_datetime(),
-			"mb_ip" => get_network_client_addr(),
-			"mb_level" => get_value_in_array("cf_register_level", $gnb_config),
-			"mb_recommend" => "",
-			"mb_login_ip" => get_network_client_addr(),
-			"mb_mailling" => "",
-			"mb_sms" => "",
-			"mb_open" => "",
-			"mb_open_date" => get_current_datetime(),
-			"mb_1" => "",
-			"mb_2" => "",
-			"mb_3" => "",
-			"mb_4" => "",
-			"mb_5" => "",
-			"mb_6" => "",
-			"mb_7" => "",
-			"mb_8" => "",
-			"mb_9" => "",
-			"mb_10" => "",
-		);
+        $member_fields = array();
+        $member_default_fields = array(
+            "mb_id" => $user_name,
+            "ug_id" => "",
+            "mb_password" => gnb_get_password($user_password),
+            "mb_name" => "",
+            "mb_jumin" => "",
+            "mb_sex" => "",
+            "mb_birth" => "",
+            "mb_nick" => "",
+            "mb_nick_date" => "",
+            "mb_password_q" => "",
+            "mb_password_a" => "",
+            "mb_email" => "",
+            "mb_homepage" => "",
+            "mb_tel" => "",
+            "mb_hp" => "",
+            "mb_zip1" => "",
+            "mb_zip2" => "",
+            "mb_addr1" => "",
+            "mb_addr2" => "",
+            "mb_addr3" => "",
+            "mb_addr_jibeon" => "",
+            "mb_signature" => "",
+            "mb_profile" => "",
+            "mb_today_login" => get_current_datetime(),
+            "mb_datetime" => get_current_datetime(),
+            "mb_ip" => get_network_client_addr(),
+            "mb_level" => get_value_in_array("cf_register_level", $gnb_config),
+            "mb_recommend" => "",
+            "mb_login_ip" => get_network_client_addr(),
+            "mb_mailling" => "",
+            "mb_sms" => "",
+            "mb_open" => "",
+            "mb_open_date" => get_current_datetime(),
+            "mb_1" => "",
+            "mb_2" => "",
+            "mb_3" => "",
+            "mb_4" => "",
+            "mb_5" => "",
+            "mb_6" => "",
+            "mb_7" => "",
+            "mb_8" => "",
+            "mb_9" => "",
+            "mb_10" => "",
+        );
 
         foreach($member_default_fields as $k=>$v) {
             $member_fields[$k] = array_key_empty($k, $data) ? $v : $data[$k];
         }
 
-		if(count($member_fields) > 0) {
-			$sql = get_bind_to_sql_insert($member_table, $member_fields);
-			$result = exec_db_query($sql, $member_fields);
-		}
+        if(count($member_fields) > 0) {
+            $sql = get_bind_to_sql_insert($member_table, $member_fields);
+            $result = exec_db_query($sql, $member_fields);
+        }
 
-		return $result;
-	}
+        return $result;
+    }
 }