diff --git a/pom.xml b/pom.xml
index d0843a7..bc182d1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,13 +2,13 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>me.xuxiaoxiao</groupId>
     <artifactId>xtools-common</artifactId>
-    <version>1.0.1</version>
+    <version>1.0.2</version>
     <name>xtools-common</name>
     <description>Java开发基础工具集，陆续收录常用的java代码，令代码更加简洁美观</description>
     <url>https://github.com/xuxiaoxiao-xxx/XTools-Common</url>
 
     <properties>
-        <java.version>1.8</java.version>
+        <java.version>1.7</java.version>
         <project.build.sourceEncoding>utf-8</project.build.sourceEncoding>
     </properties>
 
@@ -51,8 +51,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.7.0</version>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <source>1.7</source>
+                    <target>1.7</target>
                 </configuration>
             </plugin>
             <plugin>
@@ -135,8 +135,8 @@
                         <artifactId>maven-compiler-plugin</artifactId>
                         <version>3.7.0</version>
                         <configuration>
-                            <source>1.8</source>
-                            <target>1.8</target>
+                            <source>1.7</source>
+                            <target>1.7</target>
                         </configuration>
                     </plugin>
                     <plugin>
diff --git a/src/main/java/me/xuxiaoxiao/xtools/XCodeTools.java b/src/main/java/me/xuxiaoxiao/xtools/XCodeTools.java
index ff66761..f291b81 100644
--- a/src/main/java/me/xuxiaoxiao/xtools/XCodeTools.java
+++ b/src/main/java/me/xuxiaoxiao/xtools/XCodeTools.java
@@ -18,7 +18,11 @@ public final class XCodeTools {
     /**
      * 散列算法-SHA1
      */
-    public static final String HASH_SHA1 = "SHA1";
+    public static final String HASH_SHA1 = "SHA-1";
+    /**
+     * 散列算法-SHA256
+     */
+    public static final String HASH_SHA256 = "SHA-256";
 
     private static final char HEX[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
 
diff --git a/src/main/java/me/xuxiaoxiao/xtools/XHttpTools.java b/src/main/java/me/xuxiaoxiao/xtools/XHttpTools.java
index 44a5d4c..0195d3c 100644
--- a/src/main/java/me/xuxiaoxiao/xtools/XHttpTools.java
+++ b/src/main/java/me/xuxiaoxiao/xtools/XHttpTools.java
@@ -77,9 +77,7 @@ private static HttpURLConnection connect(XOption option, String url) throws Exce
             return (HttpURLConnection) new URL(url).openConnection();
         } else if (url.toLowerCase().startsWith("https://")) {
             HttpsURLConnection connection = (HttpsURLConnection) new URL(url).openConnection();
-            SSLContext sslContext = SSLContext.getInstance("TLS");
-            sslContext.init(null, option.trustManagers, new SecureRandom());
-            connection.setSSLSocketFactory(sslContext.getSocketFactory());
+            connection.setSSLSocketFactory(option.sslContext.getSocketFactory());
             connection.setHostnameVerifier(option.hostnameVerifier);
             return connection;
         } else {
@@ -130,9 +128,9 @@ public static class XOption {
          */
         public final boolean followRedirect = followRedirect();
         /**
-         * 证书管理器
+         * SSL上下文
          */
-        public final TrustManager[] trustManagers = trustManagers();
+        public final SSLContext sslContext = sslContext();
         /**
          * 主机名验证器
          */
@@ -168,29 +166,40 @@ public boolean followRedirect() {
         }
 
         /**
-         * 请求的证书管理器
+         * 获取SSL上下文
          *
-         * @return 证书管理器
+         * @return 默认不进行证书验证
          */
-        public TrustManager[] trustManagers() {
-            return new TrustManager[]{new X509TrustManager() {
-                @Override
-                public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
-                }
+        public SSLContext sslContext() {
+            try {
+                SSLContext sslContext = SSLContext.getInstance("TLS");
+                sslContext.init(null, new TrustManager[]{new X509TrustManager() {
+                    @Override
+                    public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
+                    }
 
-                @Override
-                public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
-                }
+                    @Override
+                    public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
+                    }
 
-                @Override
-                public X509Certificate[] getAcceptedIssuers() {
-                    return null;
-                }
-            }};
+                    @Override
+                    public X509Certificate[] getAcceptedIssuers() {
+                        return null;
+                    }
+                }}, new SecureRandom());
+                return sslContext;
+            } catch (Exception e) {
+                return null;
+            }
         }
 
         public HostnameVerifier hostnameVerifier() {
-            return (s, sslSession) -> true;
+            return new HostnameVerifier() {
+                @Override
+                public boolean verify(String s, SSLSession sslSession) {
+                    return true;
+                }
+            };
         }
 
         /**