diff --git a/ci/serverctl.py b/ci/serverctl.py
index 09cf05e..88e87f5 100755
--- a/ci/serverctl.py
+++ b/ci/serverctl.py
@@ -10,6 +10,7 @@ import sys
 from collections import namedtuple
 from contextlib import contextmanager
 from os.path import abspath, basename, dirname, exists, join
+import shutil
 
 import requests
 from tenacity import TryAgain, retry, stop_after_attempt, wait_fixed
@@ -24,6 +25,7 @@ logger = logging.getLogger(__name__)
 class ServerCtl(object):
     def __init__(self, topdir, projectdir, datadir, fileserver, db='sqlite3', seaf_server_bin='seaf-server', ccnet_server_bin='ccnet-server'):
         self.db = db
+        self.topdir = topdir
         self.datadir = datadir
         self.central_conf_dir = join(datadir, 'conf')
         self.seafile_conf_dir = join(datadir, 'seafile-data')
@@ -53,6 +55,9 @@ class ServerCtl(object):
         os.mkdir (self.central_conf_dir, 0o755)
         os.mkdir (self.seafile_conf_dir, 0o755)
         os.mkdir (self.ccnet_conf_dir, 0o755)
+        src = join(self.projectdir, 'tests/conf/seahub_settings.py')
+        dst = join(self.central_conf_dir, 'seahub_settings.py')
+        shutil.copyfile(src, dst)
 
         self.init_ccnet()
         self.init_seafile()
diff --git a/common/merge-new.c b/common/merge-new.c
index cf5df32..11f96c2 100644
--- a/common/merge-new.c
+++ b/common/merge-new.c
@@ -71,9 +71,7 @@ merge_conflict_filename (const char *store_id, int version,
         seaf_commit_unref (commit);
     }
 
-    nickname = modifier;
-    if (seaf->seahub_pk)
-        nickname = get_nickname_by_modifier (opt->email_to_nickname, modifier);
+    nickname = get_nickname_by_modifier (opt->email_to_nickname, modifier);
 
     conflict_name = gen_conflict_path (filename, nickname, mtime);
 
@@ -104,9 +102,7 @@ merge_conflict_dirname (const char *store_id, int version,
     modifier = g_strdup(commit->creator_name);
     seaf_commit_unref (commit);
 
-    nickname = modifier;
-    if (seaf->seahub_pk)
-        nickname = get_nickname_by_modifier (opt->email_to_nickname, modifier);
+    nickname = get_nickname_by_modifier (opt->email_to_nickname, modifier);
 
     conflict_name = gen_conflict_path (dirname, nickname, (gint64)time(NULL));
 
diff --git a/common/seaf-utils.c b/common/seaf-utils.c
index 8310da2..2517e9e 100644
--- a/common/seaf-utils.c
+++ b/common/seaf-utils.c
@@ -386,31 +386,26 @@ load_ccnet_database_config (SeafileSession *session)
 
 #ifdef FULL_FEATURE
 
-void
-load_seahub_private_key (SeafileSession *session, const char *conf_dir)
+int
+load_seahub_config (SeafileSession *session, const char *conf_dir)
 {
     char *conf_path = g_build_filename(conf_dir, "seahub_settings.py", NULL);
     char *data = NULL;
-    GRegex *secret_key_regex = NULL;
     GRegex *site_root_regex = NULL;
     GError *error = NULL;
+    int ret = 0;
 
     FILE *file = fopen(conf_path, "r");
     if (!file) {
+        ret = -1;
         seaf_warning ("Failed to open seahub_settings.py: %s\n", strerror(errno));
         goto out;
     }
 
-    secret_key_regex = g_regex_new ("SECRET_KEY\\s*=\\s*'(.+)'", 0, 0, &error);
-    if (error) {
-        g_clear_error (&error);
-        seaf_warning ("Failed to create secret key regex: %s\n", error->message);
-        goto out;
-    }
-
     site_root_regex = g_regex_new ("SITE_ROOT\\s*=\\s*'(.+)'", 0, 0, &error);
     if (error) {
         g_clear_error (&error);
+        ret = -1;
         seaf_warning ("Failed to create site root regex: %s\n", error->message);
         goto out;
     }
@@ -419,32 +414,25 @@ load_seahub_private_key (SeafileSession *session, const char *conf_dir)
     char *site_root = NULL;
     while (fgets(line, sizeof(line), file)) {
         GMatchInfo *match_info;
-        if (g_regex_match (secret_key_regex, line, 0, &match_info)) {
-            char *sk = g_match_info_fetch (match_info, 1);
-            session->seahub_pk = sk;
-        }
-
         if (g_regex_match (site_root_regex, line, 0, &match_info)) {
             site_root = g_match_info_fetch (match_info, 1);
         }
     }
 
-    if (session->seahub_pk) {
-        if (site_root) {
-            session->seahub_url = g_strdup_printf("http://127.0.0.1:8000%sapi/v2.1/internal/user-list/", site_root);
-        } else {
-            session->seahub_url = g_strdup("http://127.0.0.1:8000/api/v2.1/internal/user-list/");
-        }
-        session->seahub_conn_pool = connection_pool_new ();
+    if (site_root) {
+        session->seahub_url = g_strdup_printf("http://127.0.0.1:8000%sapi/v2.1/internal/user-list/", site_root);
+    } else {
+        session->seahub_url = g_strdup("http://127.0.0.1:8000/api/v2.1/internal/user-list/");
     }
+    session->seahub_conn_pool = connection_pool_new ();
 
 out:
-    if (secret_key_regex)
-        g_regex_unref (secret_key_regex);
     if (site_root_regex)
         g_regex_unref (site_root_regex);
     g_free (conf_path);
     g_free (data);
+
+    return ret;
 }
 
 char *
diff --git a/common/seaf-utils.h b/common/seaf-utils.h
index 6aecc61..390c277 100644
--- a/common/seaf-utils.h
+++ b/common/seaf-utils.h
@@ -17,8 +17,8 @@ int
 load_ccnet_database_config (struct _SeafileSession *session);
 
 #ifdef FULL_FEATURE
-void
-load_seahub_private_key (SeafileSession *session, const char *conf_dir);
+int
+load_seahub_config (SeafileSession *session, const char *conf_dir);
 #endif
 
 char *
diff --git a/server/gc/seafile-session.h b/server/gc/seafile-session.h
index f98e310..641dc36 100644
--- a/server/gc/seafile-session.h
+++ b/server/gc/seafile-session.h
@@ -24,7 +24,6 @@ struct _SeafileSession {
     GKeyFile            *ccnet_config;
     SeafDB              *db;
     SeafDB              *ccnet_db;
-    char                *seahub_pk;
 
     SeafBlockManager    *block_mgr;
     SeafFSManager       *fs_mgr;
diff --git a/server/http-tx-mgr.c b/server/http-tx-mgr.c
index d6b5303..350231d 100644
--- a/server/http-tx-mgr.c
+++ b/server/http-tx-mgr.c
@@ -437,48 +437,6 @@ out:
     return nickname;
 }
 
-static char *
-gen_jwt_token ()
-{
-    char *jwt_token = NULL;
-    gint64 now = (gint64)time(NULL);
-
-    jwt_t *jwt = NULL;
-
-    if (!seaf->seahub_pk) {
-        return NULL;
-    }
-
-    int ret = jwt_new (&jwt);
-    if (ret != 0 || jwt == NULL) {
-        seaf_warning ("Failed to create jwt\n");
-        goto out;
-    }
-
-    ret = jwt_add_grant_bool (jwt, "is_internal", TRUE);
-    if (ret != 0) {
-        seaf_warning ("Failed to add is_internal to jwt\n");
-        goto out;
-    }
-
-    ret = jwt_add_grant_int (jwt, "exp", now + 300);
-    if (ret != 0) {
-        seaf_warning ("Failed to add expire time to jwt\n");
-        goto out;
-    }
-    ret = jwt_set_alg (jwt, JWT_ALG_HS256, (unsigned char *)seaf->seahub_pk, strlen(seaf->seahub_pk));
-    if (ret != 0) {
-        seaf_warning ("Failed to set alg\n");
-        goto out;
-    }
-
-    jwt_token = jwt_encode_str (jwt);
-
-out:
-    jwt_free (jwt);
-    return jwt_token;
-}
-
 char *
 http_tx_manager_get_nickname (const char *modifier)
 {
@@ -491,19 +449,12 @@ http_tx_manager_get_nickname (const char *modifier)
     json_t *array = NULL;
     int rsp_status;
     char *req_content = NULL;
-    char *jwt_token = NULL;
     char *rsp_content = NULL;
     char *nickname = NULL;
     gint64 rsp_size;
 
-    jwt_token = gen_jwt_token ();
-    if (!jwt_token) {
-        return NULL;
-    }
-
     conn = connection_pool_get_connection (seaf->seahub_conn_pool);
     if (!conn) {
-        g_free (jwt_token);
         seaf_warning ("Failed to get connection: out of memory.\n");
         return NULL;
     }
@@ -522,13 +473,12 @@ http_tx_manager_get_nickname (const char *modifier)
 
     curl = conn->curl;
     headers = curl_slist_append (headers, "User-Agent: Seafile/"SEAFILE_CLIENT_VERSION" ("USER_AGENT_OS")");
-    token_header = g_strdup_printf ("Authorization: Token %s", jwt_token);
     headers = curl_slist_append (headers, token_header);
     headers = curl_slist_append (headers, "Content-Type: application/json");
     g_free (token_header);
     curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
 
-    ret = http_post_common (curl, seaf->seahub_url, jwt_token, req_content, strlen(req_content),
+    ret = http_post_common (curl, seaf->seahub_url, NULL, req_content, strlen(req_content),
                             &rsp_status, &rsp_content, &rsp_size, TRUE, 1);
     if (ret < 0) {
         conn->release = TRUE;
@@ -543,7 +493,6 @@ http_tx_manager_get_nickname (const char *modifier)
     nickname = parse_nickname (rsp_content, rsp_size);
 
 out:
-    g_free (jwt_token);
     g_free (req_content);
     g_free (rsp_content);
     connection_pool_return_connection (seaf->seahub_conn_pool, conn);
diff --git a/server/seafile-session.c b/server/seafile-session.c
index 4db9a57..a9c6d3a 100644
--- a/server/seafile-session.c
+++ b/server/seafile-session.c
@@ -218,7 +218,9 @@ seafile_session_new(const char *central_config_dir,
         goto onerror;
     }
 
-    load_seahub_private_key (session, abs_central_config_dir ? abs_central_config_dir : abs_seafile_dir);
+    if (load_seahub_config (session, abs_central_config_dir ? abs_central_config_dir : abs_seafile_dir) < 0) {
+        seaf_warning ("Failed to load seahub config.\n");
+    }
 
     session->cfg_mgr = seaf_cfg_manager_new (session);
     if (!session->cfg_mgr)
diff --git a/server/seafile-session.h b/server/seafile-session.h
index 66c3818..e975499 100644
--- a/server/seafile-session.h
+++ b/server/seafile-session.h
@@ -48,7 +48,6 @@ struct _SeafileSession {
     GKeyFile            *ccnet_config;
     SeafDB              *db;
     CcnetDB             *ccnet_db;
-    char                *seahub_pk;
     char                *seahub_url;
     ConnectionPool      *seahub_conn_pool;