diff --git a/tools/migratedb/common/mysql_rule.json b/tools/migratedb/common/mysql_rule.json
index 41b42e6..d647b98 100644
--- a/tools/migratedb/common/mysql_rule.json
+++ b/tools/migratedb/common/mysql_rule.json
@@ -1,3 +1,6 @@
 [
-
+  {
+    "table_name": "version",
+    "where": " accountid LIKE '$channel_'"
+  }
 ]
diff --git a/tools/migratedb/migratedb.py b/tools/migratedb/migratedb.py
index c72046a..09e399e 100644
--- a/tools/migratedb/migratedb.py
+++ b/tools/migratedb/migratedb.py
@@ -16,7 +16,7 @@ import functools
 CONFIG_DIR = './'
 context = {
     'channel': 0,
-    'dbname_prefix': ''
+    'dbname_prefix': 'gamedb2004_'
 }
 
 def scanKeys(r, key_prefix, matched_keys):
@@ -73,6 +73,34 @@ def exportRedis(context, redis_conf, redis_rule_conf):
             saveKeys(r, matched_keys, curr_file)
     #end for conf
 
+def exportMysql(context, db_conf, db_rule_conf):
+    dbsh_file = open(context['out_dir'] + context['channel'] + '.sh', 'w')
+    for conf in db_conf:
+        for rule in db_rule_conf:
+            line = ''
+            if rule['where'] != '':
+                line = 'mysqldump -h %s -P %d -u%s -p%s %s %s > %s.sql' % (
+                    conf['host'],
+                    conf['port'],
+                    conf['user'],
+                    conf['passwd'],
+                    context['dbname_prefix'] + str(conf['instance_id']),
+                    rule['table_name'],
+                    rule['table_name']
+                )
+            else:
+                line = 'mysqldump -h %s -P %d -u%s -p%s %s %s --where="%s"> %s.sql' % (
+                    conf['host'],
+                    conf['port'],
+                    conf['user'],
+                    conf['passwd'],
+                    context['dbname_prefix'] + str(conf['instance_id']),
+                    rule['table_name'],
+                    rule['where'].replace('$channel', context['channel']),
+                    rule['table_name']
+                )
+            dbsh_file.write(line + "\n")
+
 def main():
     global context
     if not os.path.exists(CONFIG_DIR + 'out/'):
@@ -85,6 +113,7 @@ def main():
     db_rule_conf = json.loads(open(CONFIG_DIR + 'common/mysql_rule.json', 'r').read())
     redis_rule_conf = json.loads(open(CONFIG_DIR + 'common/redis_rule.json', 'r').read())
     exportRedis(context, redis_conf, redis_rule_conf)
+    exportMysql(context, db_conf, db_rule_conf)
 
 if __name__ == "__main__":
     context['channel'] = sys.argv[1]