diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae756fd12..8a4660ff9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@
 
 -------------------------------------------------------------------------------------------------------------
 
-## 5.2.0
+## 5.1.4
 
 ### 新特性
 ### Bug修复
diff --git a/README.md b/README.md
index f5aa033c9..2b8712a59 100644
--- a/README.md
+++ b/README.md
@@ -116,21 +116,21 @@ Hutool的存在就是为了减少代码搜索成本，避免网络上参差不
 <dependency>
     <groupId>cn.hutool</groupId>
     <artifactId>hutool-all</artifactId>
-    <version>5.2.0</version>
+    <version>5.1.4</version>
 </dependency>
 ```
 
 ### Gradle
 ```
-compile 'cn.hutool:hutool-all:5.2.0'
+compile 'cn.hutool:hutool-all:5.1.4'
 ```
 
 ### 非Maven项目
 
 点击以下任一链接，下载`hutool-all-X.X.X.jar`即可：
 
-- [Maven中央库1](https://repo1.maven.org/maven2/cn/hutool/hutool-all/5.2.0/)
-- [Maven中央库2](http://repo2.maven.org/maven2/cn/hutool/hutool-all/5.2.0/)
+- [Maven中央库1](https://repo1.maven.org/maven2/cn/hutool/hutool-all/5.1.4/)
+- [Maven中央库2](http://repo2.maven.org/maven2/cn/hutool/hutool-all/5.1.4/)
 
 > 注意
 > Hutool 5.x支持JDK8+，对Android平台没有测试，不能保证所有工具类获工具方法可用。
diff --git a/bin/version.txt b/bin/version.txt
index 91ff57278..76e9e619d 100755
--- a/bin/version.txt
+++ b/bin/version.txt
@@ -1 +1 @@
-5.2.0
+5.1.4
diff --git a/docs/js/version.js b/docs/js/version.js
index 6edc874ca..0076d7423 100644
--- a/docs/js/version.js
+++ b/docs/js/version.js
@@ -1 +1 @@
-var version = '5.2.0'
\ No newline at end of file
+var version = '5.1.4'
\ No newline at end of file
diff --git a/hutool-all/pom.xml b/hutool-all/pom.xml
index 5d8370582..2359495d2 100644
--- a/hutool-all/pom.xml
+++ b/hutool-all/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-all</artifactId>
diff --git a/hutool-aop/pom.xml b/hutool-aop/pom.xml
index e6a967516..55c678bcf 100644
--- a/hutool-aop/pom.xml
+++ b/hutool-aop/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-aop</artifactId>
diff --git a/hutool-bloomFilter/pom.xml b/hutool-bloomFilter/pom.xml
index 50db780b5..fb3b40c4e 100644
--- a/hutool-bloomFilter/pom.xml
+++ b/hutool-bloomFilter/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-bloomFilter</artifactId>
diff --git a/hutool-bom/pom.xml b/hutool-bom/pom.xml
index af290867b..63e78cdf0 100644
--- a/hutool-bom/pom.xml
+++ b/hutool-bom/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-bom</artifactId>
diff --git a/hutool-cache/pom.xml b/hutool-cache/pom.xml
index f79791807..97135dde8 100644
--- a/hutool-cache/pom.xml
+++ b/hutool-cache/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-cache</artifactId>
diff --git a/hutool-captcha/pom.xml b/hutool-captcha/pom.xml
index 6869b9e6a..7c98b71ff 100644
--- a/hutool-captcha/pom.xml
+++ b/hutool-captcha/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-captcha</artifactId>
diff --git a/hutool-core/pom.xml b/hutool-core/pom.xml
index afccd19fe..d0eeb0dab 100644
--- a/hutool-core/pom.xml
+++ b/hutool-core/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-core</artifactId>
diff --git a/hutool-cron/pom.xml b/hutool-cron/pom.xml
index c95813918..ddfd8655f 100644
--- a/hutool-cron/pom.xml
+++ b/hutool-cron/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-cron</artifactId>
diff --git a/hutool-crypto/pom.xml b/hutool-crypto/pom.xml
index 17291e026..c11c28519 100644
--- a/hutool-crypto/pom.xml
+++ b/hutool-crypto/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-crypto</artifactId>
diff --git a/hutool-db/pom.xml b/hutool-db/pom.xml
index b5995a6e5..c6d7518e1 100644
--- a/hutool-db/pom.xml
+++ b/hutool-db/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-db</artifactId>
diff --git a/hutool-dfa/pom.xml b/hutool-dfa/pom.xml
index 099d877d6..f4ce22187 100644
--- a/hutool-dfa/pom.xml
+++ b/hutool-dfa/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-dfa</artifactId>
diff --git a/hutool-extra/pom.xml b/hutool-extra/pom.xml
index 06036ed4e..0d24cd836 100644
--- a/hutool-extra/pom.xml
+++ b/hutool-extra/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-extra</artifactId>
diff --git a/hutool-http/pom.xml b/hutool-http/pom.xml
index d101a8938..f80e8314e 100644
--- a/hutool-http/pom.xml
+++ b/hutool-http/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-http</artifactId>
diff --git a/hutool-json/pom.xml b/hutool-json/pom.xml
index 3c44338c6..cad7f807c 100644
--- a/hutool-json/pom.xml
+++ b/hutool-json/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-json</artifactId>
diff --git a/hutool-log/pom.xml b/hutool-log/pom.xml
index 6e1c975cb..2a7977a45 100644
--- a/hutool-log/pom.xml
+++ b/hutool-log/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-log</artifactId>
diff --git a/hutool-poi/pom.xml b/hutool-poi/pom.xml
index b9e633797..d18b020d5 100644
--- a/hutool-poi/pom.xml
+++ b/hutool-poi/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-poi</artifactId>
@@ -19,6 +19,7 @@
 		<!-- versions -->
 		<poi.version>4.1.1</poi.version>
 		<xerces.version>2.12.0</xerces.version>
+		<easyexcel.version>2.1.6</easyexcel.version>
 	</properties>
 
 	<dependencies>
@@ -48,5 +49,12 @@
 			<scope>compile</scope>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>com.alibaba</groupId>
+			<artifactId>easyexcel</artifactId>
+			<version>${easyexcel.version}</version>
+			<scope>compile</scope>
+			<optional>true</optional>
+		</dependency>
 	</dependencies>
 </project>
diff --git a/hutool-script/pom.xml b/hutool-script/pom.xml
index 1010d9711..907cf98c8 100644
--- a/hutool-script/pom.xml
+++ b/hutool-script/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-script</artifactId>
diff --git a/hutool-setting/pom.xml b/hutool-setting/pom.xml
index e93167157..d83df3fc9 100644
--- a/hutool-setting/pom.xml
+++ b/hutool-setting/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-setting</artifactId>
diff --git a/hutool-socket/pom.xml b/hutool-socket/pom.xml
index 432ad0ce7..c9b7ee2e6 100644
--- a/hutool-socket/pom.xml
+++ b/hutool-socket/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-socket</artifactId>
diff --git a/hutool-system/pom.xml b/hutool-system/pom.xml
index 18b5f09d5..d730e88f3 100644
--- a/hutool-system/pom.xml
+++ b/hutool-system/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.0-SNAPSHOT</version>
+		<version>5.1.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-system</artifactId>
diff --git a/pom.xml b/pom.xml
index 66debdaa1..f50e9c94b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
 
 	<groupId>cn.hutool</groupId>
 	<artifactId>hutool-parent</artifactId>
-	<version>5.2.0-SNAPSHOT</version>
+	<version>5.1.4-SNAPSHOT</version>
 	<name>hutool</name>
 	<description>提供丰富的Java工具方法</description>
 	<url>https://github.com/looly/hutool</url>