diff --git a/core/src/main/java/com/usthe/sureness/util/JsonWebTokenUtil.java b/core/src/main/java/com/usthe/sureness/util/JsonWebTokenUtil.java
index 23e7710ffdc21c0339d12d6ed9820907762b0df9..61726ae8145341ef777b3f384714cc32490f5959 100644
--- a/core/src/main/java/com/usthe/sureness/util/JsonWebTokenUtil.java
+++ b/core/src/main/java/com/usthe/sureness/util/JsonWebTokenUtil.java
@@ -6,7 +6,10 @@ import io.jsonwebtoken.security.SignatureException;
 
 import javax.xml.bind.DatatypeConverter;
 import java.security.Key;
-import java.util.*;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 import java.util.regex.Pattern;
 
 /**
@@ -48,13 +51,12 @@ public class JsonWebTokenUtil {
      * @param id token ID
      * @param subject user ID
      * @param issuer issuer
-     * @param period period time(ms)
+     * @param period period time(s)
      * @param roles Access claim-roles
      * @param permissions Access claim-permissions
      * @param isRefresh is a refresh token
      * @return java.lang.String jwt
      */
-    @Deprecated
     public static String issueJwt(String id, String subject, String issuer, Long period,
                                   List<String> roles, List<String> permissions,
                                   Boolean isRefresh) {
@@ -62,69 +64,7 @@ public class JsonWebTokenUtil {
         customClaimMap.put("roles", roles);
         customClaimMap.put("perms", permissions);
         customClaimMap.put("isRefresh", isRefresh);
-        return issueJwtAll(id, subject, issuer, period, null, null,
-                null, null, customClaimMap);
-    }
-
-    /**
-     * issue json web token
-     * @param id token ID
-     * @param subject user ID
-     * @param issuer issuer
-     * @param period period time(ms)
-     * @param roles Access claim-roles
-     * @return java.lang.String jwt
-     */
-    public static String issueJwt(String id, String subject, String issuer, Long period, List<String> roles) {
-        Map<String, Object> customClaimMap = Collections.singletonMap("roles", roles);
-        return issueJwtAll(id, subject, issuer, period, null, null,
-                null, null, customClaimMap);
-    }
-
-    /**
-     * issue all jwt params
-     * @param id token ID
-     * @param subject user ID
-     * @param issuer issuer
-     * @param period period time(ms)
-     * @param audience this ID Token is intended for, client id info
-     * @param payload payload
-     * @param notBefore Not Before(ms)
-     * @param roles roles the user has
-     * @param headerMap header
-     * @param customClaimMap custom claim param
-     * @return json web token
-     */
-    public static String issueJwt(String id, String subject, String issuer, Long period,
-                                  String audience, String payload, Long notBefore, List<String> roles,
-                                  Map<String, Object> headerMap, Map<String, Object> customClaimMap){
-        if (customClaimMap == null) {
-            customClaimMap = Collections.singletonMap("roles", roles);
-        } else {
-            customClaimMap.put("roles", roles);
-        }
-        return issueJwtAll(id, subject, issuer, period, audience, payload, notBefore, headerMap, customClaimMap);
-    }
-
-    /**
-     * issue all jwt params
-     * @param id token ID
-     * @param subject user ID
-     * @param issuer issuer
-     * @param period period time(ms)
-     * @param roles roles the user has
-     * @param customClaimMap custom claim param
-     * @return json web token
-     */
-    public static String issueJwt(String id, String subject, String issuer, Long period,
-                                  List<String> roles, Map<String, Object> customClaimMap){
-        if (customClaimMap == null) {
-            customClaimMap = Collections.singletonMap("roles", roles);
-        } else {
-            customClaimMap.put("roles", roles);
-        }
-        return issueJwtAll(id, subject, issuer, period, null, null,
-                null, null, customClaimMap);
+        return issueJwtAll(id, subject, issuer, period, null, null, null, null, customClaimMap);
     }
 
     /**
@@ -132,10 +72,10 @@ public class JsonWebTokenUtil {
      * @param id token ID
      * @param subject user ID
      * @param issuer issuer
-     * @param period period time(ms)
-     * @param audience this ID Token is intended for, client id info
+     * @param period period time(s)
+     * @param audience audience
      * @param payload payload
-     * @param notBefore Not Before(ms)
+     * @param notBefore Not Before(s)
      * @param headerMap header
      * @param customClaimMap custom claim param
      * @return json web token