diff --git a/pom.xml b/pom.xml
index ec50162..b3937d9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,16 +4,16 @@
 
     <groupId>com.github.magese</groupId>
     <artifactId>ik-analyzer</artifactId>
-    <version>7.5.0</version>
+    <version>7.6.0</version>
     <packaging>jar</packaging>
 
     <name>ik-analyzer-solr7</name>
     <url>http://code.google.com/p/ik-analyzer/</url>
-    <description>IK-Analyzer for solr7.5</description>
+    <description>IK-Analyzer for solr7.6</description>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <lucene.version>7.5.0</lucene.version>
+        <lucene.version>7.6.0</lucene.version>
         <javac.src.version>1.8</javac.src.version>
         <javac.target.version>1.8</javac.target.version>
         <maven.compiler.plugin.version>3.3</maven.compiler.plugin.version>
diff --git a/src/main/java/org/wltea/analyzer/cfg/Configuration.java b/src/main/java/org/wltea/analyzer/cfg/Configuration.java
index 35e0b47..0603c91 100644
--- a/src/main/java/org/wltea/analyzer/cfg/Configuration.java
+++ b/src/main/java/org/wltea/analyzer/cfg/Configuration.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.cfg;
diff --git a/src/main/java/org/wltea/analyzer/core/CJKSegmenter.java b/src/main/java/org/wltea/analyzer/core/CJKSegmenter.java
index ae8a210..bcd82f0 100644
--- a/src/main/java/org/wltea/analyzer/core/CJKSegmenter.java
+++ b/src/main/java/org/wltea/analyzer/core/CJKSegmenter.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.core;
diff --git a/src/main/java/org/wltea/analyzer/core/CN_QuantifierSegmenter.java b/src/main/java/org/wltea/analyzer/core/CN_QuantifierSegmenter.java
index f7f3a6d..bf0034a 100644
--- a/src/main/java/org/wltea/analyzer/core/CN_QuantifierSegmenter.java
+++ b/src/main/java/org/wltea/analyzer/core/CN_QuantifierSegmenter.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.core;
diff --git a/src/main/java/org/wltea/analyzer/core/IKArbitrator.java b/src/main/java/org/wltea/analyzer/core/IKArbitrator.java
index 0b5bb13..0b481d4 100644
--- a/src/main/java/org/wltea/analyzer/core/IKArbitrator.java
+++ b/src/main/java/org/wltea/analyzer/core/IKArbitrator.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.core;
diff --git a/src/main/java/org/wltea/analyzer/core/IKSegmenter.java b/src/main/java/org/wltea/analyzer/core/IKSegmenter.java
index b75c7a5..5b947f9 100644
--- a/src/main/java/org/wltea/analyzer/core/IKSegmenter.java
+++ b/src/main/java/org/wltea/analyzer/core/IKSegmenter.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.core;
diff --git a/src/main/java/org/wltea/analyzer/core/ISegmenter.java b/src/main/java/org/wltea/analyzer/core/ISegmenter.java
index 2785e02..288f470 100644
--- a/src/main/java/org/wltea/analyzer/core/ISegmenter.java
+++ b/src/main/java/org/wltea/analyzer/core/ISegmenter.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.core;
diff --git a/src/main/java/org/wltea/analyzer/core/LetterSegmenter.java b/src/main/java/org/wltea/analyzer/core/LetterSegmenter.java
index 28d45e4..06c5a5c 100644
--- a/src/main/java/org/wltea/analyzer/core/LetterSegmenter.java
+++ b/src/main/java/org/wltea/analyzer/core/LetterSegmenter.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.core;
diff --git a/src/main/java/org/wltea/analyzer/core/Lexeme.java b/src/main/java/org/wltea/analyzer/core/Lexeme.java
index 63f7785..65afcf2 100644
--- a/src/main/java/org/wltea/analyzer/core/Lexeme.java
+++ b/src/main/java/org/wltea/analyzer/core/Lexeme.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.core;
@@ -263,7 +263,7 @@ public class Lexeme implements Comparable<Lexeme>{
 	 * 
 	 */
 	public String toString(){
-		return String.valueOf(this.getBeginPosition()) + "-" + this.getEndPosition() +
+		return this.getBeginPosition() + "-" + this.getEndPosition() +
 				" : " + this.lexemeText + " : \t" +
 				this.getLexemeTypeString();
 	}
diff --git a/src/main/java/org/wltea/analyzer/core/LexemePath.java b/src/main/java/org/wltea/analyzer/core/LexemePath.java
index d5bf984..1402a3d 100644
--- a/src/main/java/org/wltea/analyzer/core/LexemePath.java
+++ b/src/main/java/org/wltea/analyzer/core/LexemePath.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.core;
diff --git a/src/main/java/org/wltea/analyzer/core/QuickSortSet.java b/src/main/java/org/wltea/analyzer/core/QuickSortSet.java
index fc7c20f..f87e93d 100644
--- a/src/main/java/org/wltea/analyzer/core/QuickSortSet.java
+++ b/src/main/java/org/wltea/analyzer/core/QuickSortSet.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.core;
diff --git a/src/main/java/org/wltea/analyzer/dic/DictSegment.java b/src/main/java/org/wltea/analyzer/dic/DictSegment.java
index 7dfbcac..ebf41b3 100644
--- a/src/main/java/org/wltea/analyzer/dic/DictSegment.java
+++ b/src/main/java/org/wltea/analyzer/dic/DictSegment.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.dic;
diff --git a/src/main/java/org/wltea/analyzer/dic/Hit.java b/src/main/java/org/wltea/analyzer/dic/Hit.java
index 2c09c61..b93d4b4 100644
--- a/src/main/java/org/wltea/analyzer/dic/Hit.java
+++ b/src/main/java/org/wltea/analyzer/dic/Hit.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.dic;
diff --git a/src/main/java/org/wltea/analyzer/lucene/UpdateThread.java b/src/main/java/org/wltea/analyzer/lucene/UpdateThread.java
index 142ac8e..6116a24 100644
--- a/src/main/java/org/wltea/analyzer/lucene/UpdateThread.java
+++ b/src/main/java/org/wltea/analyzer/lucene/UpdateThread.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.lucene;
diff --git a/src/main/java/org/wltea/analyzer/query/IKQueryExpressionParser.java b/src/main/java/org/wltea/analyzer/query/IKQueryExpressionParser.java
index 75a1e5d..703f00c 100644
--- a/src/main/java/org/wltea/analyzer/query/IKQueryExpressionParser.java
+++ b/src/main/java/org/wltea/analyzer/query/IKQueryExpressionParser.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.query;
diff --git a/src/main/java/org/wltea/analyzer/query/SWMCQueryBuilder.java b/src/main/java/org/wltea/analyzer/query/SWMCQueryBuilder.java
index 4703460..db72b8f 100644
--- a/src/main/java/org/wltea/analyzer/query/SWMCQueryBuilder.java
+++ b/src/main/java/org/wltea/analyzer/query/SWMCQueryBuilder.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.query;
diff --git a/src/main/java/org/wltea/analyzer/sample/IKAnalzyerDemo.java b/src/main/java/org/wltea/analyzer/sample/IKAnalzyerDemo.java
index c34776b..5befad0 100644
--- a/src/main/java/org/wltea/analyzer/sample/IKAnalzyerDemo.java
+++ b/src/main/java/org/wltea/analyzer/sample/IKAnalzyerDemo.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.sample;
diff --git a/src/main/java/org/wltea/analyzer/sample/LuceneIndexAndSearchDemo.java b/src/main/java/org/wltea/analyzer/sample/LuceneIndexAndSearchDemo.java
index 1527540..901abe2 100644
--- a/src/main/java/org/wltea/analyzer/sample/LuceneIndexAndSearchDemo.java
+++ b/src/main/java/org/wltea/analyzer/sample/LuceneIndexAndSearchDemo.java
@@ -21,8 +21,8 @@
  * 版权声明 2012，乌龙茶工作室
  * provided by Linliangyi and copyright 2012 by Oolong studio
  *
- * 7.5版本 由 Magese (magese@live.cn) 更新
- * release 7.5 update by Magese(magese@live.cn)
+ * 7.6版本 由 Magese (magese@live.cn) 更新
+ * release 7.6 update by Magese(magese@live.cn)
  *
  */
 package org.wltea.analyzer.sample;