diff --git a/src/main/java/boss/portal/filter/JWTLoginFilter.java b/src/main/java/boss/portal/filter/JWTLoginFilter.java
index 1c3de2d15fe4ba9970895807488ce503821ee3d1..5915fcf5ec891fe5fa62c9a05e564bc379dcf4f5 100644
--- a/src/main/java/boss/portal/filter/JWTLoginFilter.java
+++ b/src/main/java/boss/portal/filter/JWTLoginFilter.java
@@ -65,15 +65,17 @@ public class JWTLoginFilter extends UsernamePasswordAuthenticationFilter {
             for (GrantedAuthority grantedAuthority : authorities) {
                 roleList.add(grantedAuthority.getAuthority());
             }
-            // 设置过期时间
             Calendar calendar = Calendar.getInstance();
+            Date now = calendar.getTime();
+            // 设置签发时间
             calendar.setTime(new Date());
-            /*calendar.add(Calendar.DAY_OF_MONTH, 30);*///30天
-            calendar.add(Calendar.MINUTE, 1);// 1分钟
+            // 设置过期时间
+            calendar.add(Calendar.MINUTE, 10);// 10分钟
             Date time = calendar.getTime();
             token = Jwts.builder()
                     .setSubject(auth.getName() + "-" + roleList)
-                    .setExpiration(time)
+                    .setIssuedAt(now)//签发时间
+                    .setExpiration(time)//过期时间
                     .signWith(SignatureAlgorithm.HS512, ConstantKey.SIGNING_KEY) //采用什么算法是可以自己选择的，不一定非要采用HS512
                     .compact();
             // 登录成功后，返回token到header里面
diff --git a/src/main/java/boss/portal/util/JwtHelper.java b/src/main/java/boss/portal/util/JwtHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..7cf08b664df3678438776440017bc8f1587729d9
--- /dev/null
+++ b/src/main/java/boss/portal/util/JwtHelper.java
@@ -0,0 +1,110 @@
+package boss.portal.util;
+
+import io.jsonwebtoken.Claims;
+import io.jsonwebtoken.JwtBuilder;
+import io.jsonwebtoken.Jwts;
+import io.jsonwebtoken.SignatureAlgorithm;
+import org.springframework.beans.factory.annotation.Value;
+
+import javax.crypto.spec.SecretKeySpec;
+import javax.xml.bind.DatatypeConverter;
+import java.security.Key;
+import java.util.Date;
+
+/**
+ * @FileName: JwtHelper
+ * @Author: zhaoxinguo
+ * @Date: 2018/12/10 19:39
+ * @Description: 实现Jwt
+ */
+public class JwtHelper {
+
+    @Value("${jwt.expiration}")
+    public long expiration;//token超时时间
+
+    @Value("${jwt.secret}")
+    public String base64Security;
+
+    /**
+     * 解析token
+     * @param jsonWebToken
+     * @return
+     */
+    public  Claims parseToken(String jsonWebToken) {
+
+        Claims claims = Jwts.parser().setSigningKey(DatatypeConverter.parseBase64Binary(base64Security))
+                .parseClaimsJws(jsonWebToken).getBody();
+        return claims;
+
+    }
+
+    /**
+     * 新建token
+
+     * @param audience
+     * @param issuer
+
+     * @return
+     */
+    public  String createToken(String audience,
+                               String issuer) {
+        SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;
+
+        long nowMillis = System.currentTimeMillis();
+        Date now = new Date(nowMillis);
+
+        // 生成签名密钥
+        byte[] apiKeySecretBytes = DatatypeConverter.parseBase64Binary(base64Security);
+        Key signingKey = new SecretKeySpec(apiKeySecretBytes, signatureAlgorithm.getJcaName());
+
+        // 添加构成JWT的参数
+        JwtBuilder builder = Jwts.builder().setHeaderParam("typ", "JWT").setIssuer(issuer).setAudience(audience)
+                .signWith(signatureAlgorithm, signingKey);
+
+        // 添加Token签发时间
+        builder.setIssuedAt(now);
+        // 添加Token过期时间
+        if (expiration >= 0) {
+            long expMillis = nowMillis + expiration;
+            Date exp = new Date(expMillis);
+            builder.setExpiration(exp).setNotBefore(now);
+        }
+
+        // 生成JWT
+        return builder.compact();
+    }
+
+    /**
+     * 刷新令牌
+     *
+     * @param claims
+     * @return
+     */
+    public String refreshToken(Claims claims) {
+        SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;
+
+        long nowMillis = System.currentTimeMillis();
+        Date now = new Date(nowMillis);
+
+        // 生成签名密钥
+        byte[] apiKeySecretBytes = DatatypeConverter.parseBase64Binary(base64Security);
+        Key signingKey = new SecretKeySpec(apiKeySecretBytes, signatureAlgorithm.getJcaName());
+
+        // 添加构成JWT的参数
+        JwtBuilder builder = Jwts.builder().setHeaderParam("typ", "JWT")
+                .setIssuer((String) claims.get("iss")).setAudience((String) claims.get("aud"))
+                .signWith(signatureAlgorithm, signingKey);
+
+        // 添加Token签发时间
+        builder.setIssuedAt(now);
+        // 添加Token过期时间
+        if (expiration >= 0) {
+            long expMillis = nowMillis + expiration;
+            Date exp = new Date(expMillis);
+            builder.setExpiration(exp).setNotBefore(now);
+        }
+
+        // 生成Token
+        return builder.compact();
+    }
+}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 299892fe01c979c9b956b9d3558c8efa7545948f..47598dbd955e74f7f772f7d67acc82d868dfa243 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -7,3 +7,9 @@ spring.jpa.hibernate.ddl-auto=update
 spring.jpa.show-sql=true
 spring.jackson.serialization.indent_output=true
 
+# JWT Config
+jwt.header=Authorization
+jwt.secret=NDU0NTY4amhmc3NkeHp6eGNxdzIlMjFAJTIxQCUyM2ZmNQ==
+#120����
+jwt.expiration=7200000
+
diff --git a/src/test/java/boss/portal/web/springbootdemo2/SpringbootDemo2ApplicationTests.java b/src/test/java/boss/portal/web/springbootdemo2/SpringbootDemo2ApplicationTests.java
index 70894bf4671c773a4df6a23ad8f648d8c5f4facf..b9ddc44a021607a645995c273f966401e2205418 100644
--- a/src/test/java/boss/portal/web/springbootdemo2/SpringbootDemo2ApplicationTests.java
+++ b/src/test/java/boss/portal/web/springbootdemo2/SpringbootDemo2ApplicationTests.java
@@ -11,6 +11,8 @@ public class SpringbootDemo2ApplicationTests {
 
 	@Test
 	public void contextLoads() {
+		long refreshPeriodTime = 36000L;  //seconds为单位,10 hours
+		System.out.println(refreshPeriodTime >> 1);
 	}
 
 }