diff --git a/binding/c/ip2region.c b/binding/c/ip2region.c
index cc16d77..c20d88e 100644
--- a/binding/c/ip2region.c
+++ b/binding/c/ip2region.c
@@ -20,22 +20,19 @@ IP2R_API uint_t ip2region_create(ip2region_t ip2rObj, char *dbFile)
     memset(ip2rObj, 0x00, sizeof(ip2region_entry));
     ip2rObj->headerLen = 0;
     ip2rObj->HeaderSip = (uint_t *) IP2R_MALLOC(TOTAL_HEADER_LENGTH);
-    if ( ip2rObj->HeaderSip == NULL )
-    {
+    if ( ip2rObj->HeaderSip == NULL ) {
         return 0;
     }
 
     ip2rObj->HeaderPtr = (uint_t *) IP2R_MALLOC(TOTAL_HEADER_LENGTH);
-    if ( ip2rObj->HeaderPtr == NULL )
-    {
+    if ( ip2rObj->HeaderPtr == NULL ) {
         IP2R_FREE(ip2rObj->HeaderSip);
         return 0;
     }
 
     //open the db file
     ip2rObj->dbHandler = fopen(dbFile, "rb");
-    if ( ip2rObj->dbHandler == NULL  )
-    {
+    if ( ip2rObj->dbHandler == NULL  ) {
         IP2R_FREE(ip2rObj->HeaderSip);
         IP2R_FREE(ip2rObj->HeaderPtr);
         return 0;
@@ -61,8 +58,7 @@ IP2R_API uint_t ip2region_destroy(ip2region_t ip2rObj)
     ip2rObj->HeaderPtr = NULL;
 
     //close the db file resource
-    if ( ip2rObj->dbHandler != NULL ) 
-    {
+    if ( ip2rObj->dbHandler != NULL ) {
         fclose(ip2rObj->dbHandler);
         ip2rObj->dbHandler = NULL;
     }
@@ -85,8 +81,7 @@ IP2R_API uint_t ip2region_binary_search(ip2region_t ip2rObj, uint_t ip, databloc
     char buffer[256];
     int dataLen, dataptr;
 
-    if ( ip2rObj->totalBlocks == 0 )
-    {
+    if ( ip2rObj->totalBlocks == 0 ) {
         fseek(ip2rObj->dbHandler, 0, 0);
         if ( fread(buffer, 8, 1, ip2rObj->dbHandler) != 1 ) {
             return 0;
@@ -107,6 +102,7 @@ IP2R_API uint_t ip2region_binary_search(ip2region_t ip2rObj, uint_t ip, databloc
         if ( fread(buffer, INDEX_BLOCK_LENGTH, 1, ip2rObj->dbHandler) != 1 ) {
             return 0;
         }
+
         sip = getUnsignedInt(buffer, 0);
         if ( ip < sip ) {
             h = m - 1;
@@ -162,16 +158,14 @@ IP2R_API uint_t ip2region_btree_search(ip2region_t ip2rObj, uint_t ip, datablock
     uint_t sip, eip, idxptr, dptr;
     char buffer[TOTAL_HEADER_LENGTH];
 
-    if ( ip2rObj->headerLen == 0 )
-    {
+    if ( ip2rObj->headerLen == 0 ) {
         idx = 0;
         fseek(ip2rObj->dbHandler, 8, 0);    //pass the super block
         if ( fread(buffer, TOTAL_HEADER_LENGTH, 1, ip2rObj->dbHandler) != 1 ) {
             return 0;
         }
 
-        for ( i = 0; i < TOTAL_HEADER_LENGTH; i += 8 )
-        {
+        for ( i = 0; i < TOTAL_HEADER_LENGTH; i += 8 ) {
             sip    = getUnsignedInt(buffer, i);
             idxptr = getUnsignedInt(buffer, i + 4);
             if ( idxptr == 0 ) break;
@@ -307,8 +301,7 @@ IP2R_API uint_t ip2long(char *ip)
     char buffer[4], *cs = ip;
     uint_t ipval = 0;
 
-    while ( *cs != '\0' )
-    {
+    while ( *cs != '\0' ) {
         if ( *cs == '.' ) {
             //single part length limit
             if ( i > 3 ) {
diff --git a/binding/c/testSearcher.c b/binding/c/testSearcher.c
index 53abbe4..d5d8e32 100644
--- a/binding/c/testSearcher.c
+++ b/binding/c/testSearcher.c
@@ -68,16 +68,14 @@ int main( int argc, char **argv )
 
     //create a new ip2rObj
     printf("+--initializing %s ... \n", algorithm);
-    if ( ip2region_create(&ip2rEntry, dbFile) == 0 )
-    {
+    if ( ip2region_create(&ip2rEntry, dbFile) == 0 ) {
         println("Error: Fail to create the ip2region object");
         return 0;
     }
 
     __PRINT_ABOUT__;
 
-    while ( 1 )
-    {
+    while ( 1 ) {
         print("ip2region>> ");
         getLine( stdin, line );
         if ( strlen(line) < 2 ) continue;
diff --git a/binding/java/src/org/lionsoul/ip2region/DataBlock.java b/binding/java/src/org/lionsoul/ip2region/DataBlock.java
index fdf8311..9afd7be 100644
--- a/binding/java/src/org/lionsoul/ip2region/DataBlock.java
+++ b/binding/java/src/org/lionsoul/ip2region/DataBlock.java
@@ -23,20 +23,24 @@ public class DataBlock
         this.region = region;
     }
 
-    public int getCityId() {
+    public int getCityId()
+    {
         return city_id;
     }
 
-    public DataBlock setCityId(int city_id) {
+    public DataBlock setCityId(int city_id)
+    {
         this.city_id = city_id;
         return this;
     }
 
-    public String getRegion() {
+    public String getRegion()
+    {
         return region;
     }
 
-    public DataBlock setRegion(String region) {
+    public DataBlock setRegion(String region)
+    {
         this.region = region;
         return this;
     }
diff --git a/binding/java/src/org/lionsoul/ip2region/DbConfig.java b/binding/java/src/org/lionsoul/ip2region/DbConfig.java
index acc2d4a..1aa473f 100644
--- a/binding/java/src/org/lionsoul/ip2region/DbConfig.java
+++ b/binding/java/src/org/lionsoul/ip2region/DbConfig.java
@@ -25,9 +25,9 @@ public class DbConfig
      * @param    dataBlockSize
      * @throws DbMakerConfigException 
     */
-    public DbConfig( int totalHeaderSize ) throws DbMakerConfigException {
-        if ( (totalHeaderSize % 8) != 0 )
-        {
+    public DbConfig( int totalHeaderSize ) throws DbMakerConfigException
+    {
+        if ( (totalHeaderSize % 8) != 0 ) {
             throw new DbMakerConfigException("totalHeaderSize must be times of 8");
         }
         
@@ -35,24 +35,29 @@ public class DbConfig
         this.indexBlockSize = 4096; //4 * 1024
     }
     
-    public DbConfig() throws DbMakerConfigException {
+    public DbConfig() throws DbMakerConfigException
+    {
         this(8192);
     }
 
-    public int getTotalHeaderSize() {
+    public int getTotalHeaderSize()
+    {
         return totalHeaderSize;
     }
 
-    public DbConfig setTotalHeaderSize(int totalHeaderSize) {
+    public DbConfig setTotalHeaderSize(int totalHeaderSize)
+    {
         this.totalHeaderSize = totalHeaderSize;
         return this;
     }
 
-    public int getIndexBlockSize() {
+    public int getIndexBlockSize()
+    {
         return indexBlockSize;
     }
 
-    public DbConfig setIndexBlockSize(int dataBlockSize) {
+    public DbConfig setIndexBlockSize(int dataBlockSize)
+    {
         this.indexBlockSize = dataBlockSize;
         return this;
     }
diff --git a/binding/java/src/org/lionsoul/ip2region/DbSearcher.java b/binding/java/src/org/lionsoul/ip2region/DbSearcher.java
index 6312727..488842f 100644
--- a/binding/java/src/org/lionsoul/ip2region/DbSearcher.java
+++ b/binding/java/src/org/lionsoul/ip2region/DbSearcher.java
@@ -88,8 +88,7 @@ public class DbSearcher
     public DataBlock btreeSearch( long ip ) throws IOException
     {
         //check and load the header
-        if ( HeaderSip == null ) 
-        {
+        if ( HeaderSip == null )  {
             raf.seek(8L);    //pass the super block
             //byte[] b = new byte[dbConfig.getTotalHeaderSize()];
             byte[] b = new byte[4096];
@@ -121,8 +120,7 @@ public class DbSearcher
         }
         
         int l = 0, h = headerLength, sptr = 0, eptr = 0;
-        while ( l <= h )
-        {    
+        while ( l <= h ) {
             int m = (l + h) >> 1;
             
             //perfetc matched, just return it
@@ -230,8 +228,7 @@ public class DbSearcher
     public DataBlock binarySearch( long ip ) throws IOException
     {
         int blen = IndexBlock.getIndexBlockLength();
-        if ( totalIndexBlocks == 0 )
-        {
+        if ( totalIndexBlocks == 0 ) {
             raf.seek(0L);
             byte[] superBytes = new byte[8];
             raf.readFully(superBytes, 0, superBytes.length);
diff --git a/binding/java/src/org/lionsoul/ip2region/HeaderBlock.java b/binding/java/src/org/lionsoul/ip2region/HeaderBlock.java
index 28b04ce..4435a9b 100644
--- a/binding/java/src/org/lionsoul/ip2region/HeaderBlock.java
+++ b/binding/java/src/org/lionsoul/ip2region/HeaderBlock.java
@@ -23,20 +23,24 @@ public class HeaderBlock
         this.indexPtr = indexPtr;
     }
 
-    public long getIndexStartIp() {
+    public long getIndexStartIp()
+    {
         return indexStartIp;
     }
 
-    public HeaderBlock setIndexStartIp(long indexStartIp) {
+    public HeaderBlock setIndexStartIp(long indexStartIp)
+    {
         this.indexStartIp = indexStartIp;
         return this;
     }
 
-    public int getIndexPtr() {
+    public int getIndexPtr()
+    {
         return indexPtr;
     }
 
-    public HeaderBlock setIndexPtr(int indexPtr) {
+    public HeaderBlock setIndexPtr(int indexPtr)
+    {
         this.indexPtr = indexPtr;
         return this;
     }
diff --git a/binding/java/src/org/lionsoul/ip2region/IndexBlock.java b/binding/java/src/org/lionsoul/ip2region/IndexBlock.java
index 5d6b741..8f4abd7 100644
--- a/binding/java/src/org/lionsoul/ip2region/IndexBlock.java
+++ b/binding/java/src/org/lionsoul/ip2region/IndexBlock.java
@@ -37,43 +37,52 @@ public class IndexBlock
         this.dataLen = dataLen;
     }
 
-    public long getStartIp() {
+    public long getStartIp()
+    {
         return startIp;
     }
 
-    public IndexBlock setStartIp(long startIp) {
+    public IndexBlock setStartIp(long startIp)
+    {
         this.startIp = startIp;
         return this;
     }
 
-    public long getEndIp() {
+    public long getEndIp()
+    {
         return endIp;
     }
 
-    public IndexBlock setEndIp(long endIp) {
+    public IndexBlock setEndIp(long endIp)
+    {
         this.endIp = endIp;
         return this;
     }
 
-    public int getDataPtr() {
+    public int getDataPtr()
+    {
         return dataPtr;
     }
 
-    public IndexBlock setDataPtr(int dataPtr) {
+    public IndexBlock setDataPtr(int dataPtr)
+    {
         this.dataPtr = dataPtr;
         return this;
     }
 
-    public int getDataLen() {
+    public int getDataLen()
+    {
         return dataLen;
     }
 
-    public IndexBlock setDataLen(int dataLen) {
+    public IndexBlock setDataLen(int dataLen)
+    {
         this.dataLen = dataLen;
         return this;
     }
     
-    public static int getIndexBlockLength() {
+    public static int getIndexBlockLength()
+    {
         return LENGTH;
     }
     
diff --git a/binding/java/src/org/lionsoul/ip2region/Util.java b/binding/java/src/org/lionsoul/ip2region/Util.java
index 0a0b153..f94d3ee 100644
--- a/binding/java/src/org/lionsoul/ip2region/Util.java
+++ b/binding/java/src/org/lionsoul/ip2region/Util.java
@@ -17,8 +17,7 @@ public class Util
     */
     public static void write( byte[] b, int offset, long v, int bytes)
     {
-        for ( int i = 0; i < bytes; i++ )
-        {
+        for ( int i = 0; i < bytes; i++ ) {
             b[offset++] = (byte)((v >>> (8 * i)) & 0xFF);
         }
     }
@@ -133,8 +132,7 @@ public class Util
         String[] p = ip.split("\\.");
         if ( p.length != 4 ) return false;
         
-        for ( String pp : p )
-        {
+        for ( String pp : p ) {
             if ( pp.length() > 3 ) return false;
             int val = Integer.valueOf(pp);
             if ( val > 255 ) return false;
diff --git a/binding/java/src/org/lionsoul/ip2region/test/TestSearcher.java b/binding/java/src/org/lionsoul/ip2region/test/TestSearcher.java
index 73228a8..0717da3 100644
--- a/binding/java/src/org/lionsoul/ip2region/test/TestSearcher.java
+++ b/binding/java/src/org/lionsoul/ip2region/test/TestSearcher.java
@@ -51,8 +51,7 @@ public class TestSearcher
             double sTime = 0, cTime = 0;
             String line = null;
             DataBlock dataBlock = null;
-            while ( true )
-            {
+            while ( true ) {
                 System.out.print("ip2region>> ");
                 line = reader.readLine().trim();
                 if ( line.length() < 2 ) continue;
diff --git a/binding/php/Ip2Region.class.php b/binding/php/Ip2Region.class.php
index 066930a..ceb019a 100644
--- a/binding/php/Ip2Region.class.php
+++ b/binding/php/Ip2Region.class.php
@@ -50,8 +50,7 @@ class Ip2Region
     {
         //check and conver the ip address
         if ( is_string($ip) ) $ip = ip2long($ip);
-        if ( $this->totalBlocks == 0 )
-        {
+        if ( $this->totalBlocks == 0 ) {
             fseek($this->dbFileHandler, 0);
             $superBlock = fread($this->dbFileHandler, 8);
 
@@ -61,19 +60,18 @@ class Ip2Region
         }
 
         //binary search to define the data
-        $l    = 0;
-        $h    = $this->totalBlocks;
+        $l = 0;
+        $h = $this->totalBlocks;
         $dataPtr = 0;
-        while ( $l <= $h )
-        {
-            $m    = (($l + $h) >> 1);
-            $p    = $m * INDEX_BLOCK_LENGTH;
+        while ( $l <= $h ) {
+            $m = (($l + $h) >> 1);
+            $p = $m * INDEX_BLOCK_LENGTH;
 
             fseek($this->dbFileHandler, $this->firstIndexPtr + $p);
             $buffer = fread($this->dbFileHandler, INDEX_BLOCK_LENGTH);
             $sip    = self::getLong($buffer, 0);
             if ( $ip < $sip ) {
-                $h    = $m - 1;
+                $h = $m - 1;
             } else {
                 $eip = self::getLong($buffer, 4);
                 if ( $ip > $eip ) {
@@ -94,7 +92,7 @@ class Ip2Region
         $dataPtr = ($dataPtr & 0x00FFFFFF);
 
         fseek($this->dbFileHandler, $dataPtr);
-        $data     = fread($this->dbFileHandler, $dataLen);
+        $data = fread($this->dbFileHandler, $dataLen);
 
         return array(
             'city_id' => self::getLong($data, 0), 
@@ -113,17 +111,15 @@ class Ip2Region
         if ( is_string($ip) ) $ip = ip2long($ip);
 
         //check and load the header
-        if ( $this->HeaderSip == NULL ) 
-        {
+        if ( $this->HeaderSip == NULL ) {
             fseek($this->dbFileHandler, 8);
-            $buffer    = fread($this->dbFileHandler, TOTAL_HEADER_LENGTH);
+            $buffer = fread($this->dbFileHandler, TOTAL_HEADER_LENGTH);
             
             //fill the header
             $idx = 0;
             $this->HeaderSip = array();
             $this->HeaderPtr = array();
-            for ( $i = 0; $i < TOTAL_HEADER_LENGTH; $i += 8 )
-            {
+            for ( $i = 0; $i < TOTAL_HEADER_LENGTH; $i += 8 ) {
                 $startIp = self::getLong($buffer, $i);
                 $dataPtr = self::getLong($buffer, $i + 4);
                 if ( $dataPtr == 0 ) break;
@@ -138,8 +134,7 @@ class Ip2Region
         
         //1. define the index block with the binary search
         $l = 0; $h = $this->headerLen; $sptr = 0; $eptr = 0;
-        while ( $l <= $h )
-        {    
+        while ( $l <= $h ) {
             $m = (($l + $h) >> 1);
             
             //perfetc matched, just return it
@@ -234,8 +229,8 @@ class Ip2Region
     {
         return (
             (ord($b[$offset++]))        | 
-            (ord($b[$offset++]) << 8)    | 
-            (ord($b[$offset++]) << 16)    | 
+            (ord($b[$offset++]) << 8)   | 
+            (ord($b[$offset++]) << 16)  | 
             (ord($b[$offset  ]) << 24)
         );
     }
diff --git a/binding/php/testSeacher.php b/binding/php/testSeacher.php
index 9c1768b..5f2d8aa 100644
--- a/binding/php/testSeacher.php
+++ b/binding/php/testSeacher.php
@@ -5,8 +5,7 @@
  * @author    chenxin<chenxin619315@gmail.com>
 */
 
-if ( $argc < 2 ) 
-{
+if ( $argc < 2 ) {
     $usage = <<<EOF
 Usage: php Test.php [ip2region db file] [alrogrithm]
 +-Algorithm: binary or b-tree\n
@@ -15,13 +14,13 @@ EOF;
 }
 
 array_shift($argv);
-$dbFile        = $argv[0];
-$method        = 1;
-$algorithm    = 'B-tree';
+$dbFile     = $argv[0];
+$method     = 1;
+$algorithm  = 'B-tree';
 if ( isset($argv[1])
     && strtolower($argv[1]) == 'binary' ) {
-    $method        = 2;
-    $algorithm    = 'Binary';
+    $method    = 2;
+    $algorithm = 'Binary';
 }
 
 require dirname(__FILE__) . '/Ip2Region.class.php';
@@ -37,8 +36,7 @@ initializing  {$algorithm} ...
 INIT;
 echo $initStr, "\n";
 
-while ( true )
-{
+while ( true ) {
     echo "ip2region>> ";
     $line = trim(fgets(STDIN));
     if ( strlen($line) < 2 ) continue;
@@ -49,7 +47,7 @@ while ( true )
     }
 
     $s_time = getTime();
-    $data    = $method==2 ? $ip2regionObj->binarySearch($line) : $ip2regionObj->btreeSearch($line);
+    $data   = $method==2 ? $ip2regionObj->binarySearch($line) : $ip2regionObj->btreeSearch($line);
     $c_time = getTime() - $s_time;
     printf("%s|%s in %.5f millseconds\n", $data['city_id'], $data['region'], $c_time);
 }