diff --git a/pom.xml b/pom.xml
index 67a63cf..8689e63 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,197 +1,197 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <groupId>com.github.liyiorg</groupId>
-    <artifactId>weixin-popular</artifactId>
-    <version>2.8.31</version>
-
-    <name>weixin-popular</name>
-    <description>The weixin-popular is a JAVA SDK for weixin. Weixin web url is https://mp.weixin.qq.com.</description>
-    <url>https://github.com/liyiorg/weixin-popular</url>
-
-    <licenses>
-        <license>
-            <name>The Apache Software License, Version 2.0</name>
-            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
-        </license>
-    </licenses>
-
-    <developers>
-        <developer>
-            <name>Yi Li</name>
-            <email>liuemc@msn.com</email>
-        </developer>
-    </developers>
-
-    <scm>
-        <connection>scm:git:git@github.com:liyiorg/weixin-popular.git</connection>
-        <developerConnection>scm:git:git@github.com:liyiorg/weixin-popular.git</developerConnection>
-        <url>git@github.com:liyiorg/weixin-popular.git</url>
-    </scm>
-
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    </properties>
-
-    <dependencies>
-        <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>servlet-api</artifactId>
-            <version>2.5</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>redis.clients</groupId>
-            <artifactId>jedis</artifactId>
-            <version>2.7.3</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-pool2</artifactId>
-            <version>2.3</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>fastjson</artifactId>
-            <version>1.2.47</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.httpcomponents</groupId>
-            <artifactId>httpclient</artifactId>
-            <version>4.3.6</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.httpcomponents</groupId>
-            <artifactId>httpmime</artifactId>
-            <version>4.3.6</version>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.xml.bind</groupId>
-            <artifactId>jaxb-impl</artifactId>
-            <version>2.1.12</version>
-            <exclusions>
-                <exclusion>
-                    <groupId>javax.xml.bind</groupId>
-                    <artifactId>jaxb-api</artifactId>
-                </exclusion>
-            </exclusions>
-        </dependency>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-api</artifactId>
-            <version>1.7.19</version>
-        </dependency>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-simple</artifactId>
-            <version>1.7.19</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.vdurmont</groupId>
-            <artifactId>emoji-java</artifactId>
-            <version>4.0.0</version>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>2.3.2</version>
-                <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
-                    <encoding>UTF-8</encoding>
-                </configuration>
-            </plugin>
-
-        </plugins>
-    </build>
-
-    <profiles>
-        <profile>
-            <id>release</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-source-plugin</artifactId>
-                        <version>2.3</version>
-                        <executions>
-                            <execution>
-                                <id>attach-sources</id>
-                                <goals>
-                                    <goal>jar-no-fork</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>2.10.4</version>
-                        <configuration>
-                            <charset>utf-8</charset>
-                            <encoding>utf-8</encoding>
-                            <docencoding>utf-8</docencoding>
-                            <locale>zh_CN</locale>
-                            <show>public</show>
-                            <excludePackageNames>weixin.popular.bean.*</excludePackageNames>
-                        </configuration>
-                        <executions>
-                            <execution>
-                                <id>attach-javadocs</id>
-                                <goals>
-                                    <goal>jar</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-gpg-plugin</artifactId>
-                        <version>1.5</version>
-                        <executions>
-                            <execution>
-                                <phase>verify</phase>
-                                <goals>
-                                    <goal>sign</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.sonatype.plugins</groupId>
-                        <artifactId>nexus-staging-maven-plugin</artifactId>
-                        <version>1.6.4</version>
-                        <extensions>true</extensions>
-                        <configuration>
-                            <serverId>oss</serverId>
-                            <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-                            <autoReleaseAfterClose>true</autoReleaseAfterClose>
-                        </configuration>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-    </profiles>
-
-    <distributionManagement>
-        <snapshotRepository>
-            <id>oss</id>
-            <name>Sonatype Nexus Snapshots</name>
-            <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
-        </snapshotRepository>
-        <repository>
-            <id>oss</id>
-            <name>Nexus Release Repository</name>
-            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-        </repository>
-    </distributionManagement>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.github.liyiorg</groupId>
+    <artifactId>weixin-popular</artifactId>
+    <version>2.8.31</version>
+
+    <name>weixin-popular</name>
+    <description>The weixin-popular is a JAVA SDK for weixin. Weixin web url is https://mp.weixin.qq.com.</description>
+    <url>https://github.com/liyiorg/weixin-popular</url>
+
+    <licenses>
+        <license>
+            <name>The Apache Software License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+        </license>
+    </licenses>
+
+    <developers>
+        <developer>
+            <name>Yi Li</name>
+            <email>liuemc@msn.com</email>
+        </developer>
+    </developers>
+
+    <scm>
+        <connection>scm:git:git@github.com:liyiorg/weixin-popular.git</connection>
+        <developerConnection>scm:git:git@github.com:liyiorg/weixin-popular.git</developerConnection>
+        <url>git@github.com:liyiorg/weixin-popular.git</url>
+    </scm>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+            <version>2.5</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>redis.clients</groupId>
+            <artifactId>jedis</artifactId>
+            <version>2.7.3</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-pool2</artifactId>
+            <version>2.3</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.47</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>4.5.3</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpmime</artifactId>
+            <version>4.3.6</version>
+        </dependency>
+        <dependency>
+            <groupId>com.sun.xml.bind</groupId>
+            <artifactId>jaxb-impl</artifactId>
+            <version>2.1.12</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>javax.xml.bind</groupId>
+                    <artifactId>jaxb-api</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.7.19</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>1.7.19</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.vdurmont</groupId>
+            <artifactId>emoji-java</artifactId>
+            <version>4.0.0</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.3.2</version>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+
+        </plugins>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>release</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-source-plugin</artifactId>
+                        <version>2.3</version>
+                        <executions>
+                            <execution>
+                                <id>attach-sources</id>
+                                <goals>
+                                    <goal>jar-no-fork</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-javadoc-plugin</artifactId>
+                        <version>2.10.4</version>
+                        <configuration>
+                            <charset>utf-8</charset>
+                            <encoding>utf-8</encoding>
+                            <docencoding>utf-8</docencoding>
+                            <locale>zh_CN</locale>
+                            <show>public</show>
+                            <excludePackageNames>weixin.popular.bean.*</excludePackageNames>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>attach-javadocs</id>
+                                <goals>
+                                    <goal>jar</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>1.5</version>
+                        <executions>
+                            <execution>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.sonatype.plugins</groupId>
+                        <artifactId>nexus-staging-maven-plugin</artifactId>
+                        <version>1.6.4</version>
+                        <extensions>true</extensions>
+                        <configuration>
+                            <serverId>oss</serverId>
+                            <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+                            <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+    <distributionManagement>
+        <snapshotRepository>
+            <id>oss</id>
+            <name>Sonatype Nexus Snapshots</name>
+            <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+        </snapshotRepository>
+        <repository>
+            <id>oss</id>
+            <name>Nexus Release Repository</name>
+            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+    </distributionManagement>
 </project>
\ No newline at end of file