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+## 使用构建工具集成
+
+### maven
+```xml
+<dependencies>
+    <dependency>
+        <groupId>com.github.tencentyun</groupId>
+        <artifactId>tls-sig-api</artifactId>
+        <version>1.0</version>
+    </dependency>
+</dependencies>
+```
+
+### gradle
+```java
+dependencies {
+    compile 'com.github.tencentyun:tls-sig-api:1.0'
+}
+```
+
+## 生成 sig
+
+### 默认有效期接口
+```java
+import com.tls.tls_sigature.*;
+
+GenTLSSignatureResult result = tls_sigature.genSig(140000000, "xiaojun", priKeyContent);
+System.out.println(result.urlSig);
+```
+
+### 指定有效期接口
+```java
+import com.tls.tls_sigature.*;
+
+GenTLSSignatureResult result = tls_sigature.GenTLSSignatureEx(140000000, "xiaojun", priKeyContent, 24*3600*180);
+System.out.println(result.urlSig);
+```
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