diff --git a/utils/cache/redis_pool.go b/utils/cache/redis_pool.go
index ad9d90a..f6dbf74 100644
--- a/utils/cache/redis_pool.go
+++ b/utils/cache/redis_pool.go
@@ -6,21 +6,21 @@ import (
 	"strings"
 	"time"
 
-	redigo "github.com/gomodule/redigo/redis"
+	redigoRedis "github.com/gomodule/redigo/redis"
 )
 
 type RedisPool struct {
-	*redigo.Pool
+	*redigoRedis.Pool
 }
 
 func NewRedisPool(cfg *Config) *RedisPool {
-	return &RedisPool{&redigo.Pool{
+	return &RedisPool{&redigoRedis.Pool{
 		MaxIdle:     cfg.MaxIdle,
 		IdleTimeout: cfg.IdleTimeout,
 		MaxActive:   cfg.MaxActive,
 		Wait:        cfg.Wait,
-		Dial: func() (redigo.Conn, error) {
-			c, err := redigo.Dial("tcp", cfg.Server)
+		Dial: func() (redigoRedis.Conn, error) {
+			c, err := redigoRedis.Dial("tcp", cfg.Server)
 			if err != nil {
 				log.Println("Redis Dial failed: ", err)
 				return nil, err
@@ -34,7 +34,7 @@ func NewRedisPool(cfg *Config) *RedisPool {
 			}
 			return c, err
 		},
-		TestOnBorrow: func(c redigo.Conn, t time.Time) error {
+		TestOnBorrow: func(c redigoRedis.Conn, t time.Time) error {
 			_, err := c.Do("PING")
 			if err != nil {
 				log.Println("Unable to ping to redis server:", err)
@@ -50,7 +50,7 @@ func (p *RedisPool) Do(cmd string, args ...interface{}) (reply interface{}, err
 	return conn.Do(cmd, args...)
 }
 
-func (p *RedisPool) GetPool() *redigo.Pool {
+func (p *RedisPool) GetPool() *redigoRedis.Pool {
 	return pool
 }
 
@@ -106,24 +106,24 @@ func (p *RedisPool) Get(key string) (interface{}, error) {
 }
 func (p *RedisPool) GetStringMap(key string) (map[string]string, error) {
 	// get
-	return redigo.StringMap(Do("GET", key))
+	return redigoRedis.StringMap(Do("GET", key))
 }
 
 func (p *RedisPool) GetTTL(key string) (time.Duration, error) {
-	ttl, err := redigo.Int64(Do("TTL", key))
+	ttl, err := redigoRedis.Int64(Do("TTL", key))
 	return time.Duration(ttl) * time.Second, err
 }
 func (p *RedisPool) GetBytes(key string) ([]byte, error) {
-	return redigo.Bytes(Do("GET", key))
+	return redigoRedis.Bytes(Do("GET", key))
 }
 func (p *RedisPool) GetString(key string) (string, error) {
-	return redigo.String(Do("GET", key))
+	return redigoRedis.String(Do("GET", key))
 }
 func (p *RedisPool) GetInt(key string) (int, error) {
-	return redigo.Int(Do("GET", key))
+	return redigoRedis.Int(Do("GET", key))
 }
 func (p *RedisPool) GetStringLength(key string) (int, error) {
-	return redigo.Int(Do("STRLEN", key))
+	return redigoRedis.Int(Do("STRLEN", key))
 }
 func (p *RedisPool) ZAdd(key string, score float64, data interface{}) (interface{}, error) {
 	return Do("ZADD", key, score, data)
@@ -133,21 +133,21 @@ func (p *RedisPool) ZRem(key string, data interface{}) (interface{}, error) {
 }
 func (p *RedisPool) ZRange(key string, start int, end int, withScores bool) ([]interface{}, error) {
 	if withScores {
-		return redigo.Values(Do("ZRANGE", key, start, end, "WITHSCORES"))
+		return redigoRedis.Values(Do("ZRANGE", key, start, end, "WITHSCORES"))
 	}
-	return redigo.Values(Do("ZRANGE", key, start, end))
+	return redigoRedis.Values(Do("ZRANGE", key, start, end))
 }
 func (p *RedisPool) SAdd(setName string, data interface{}) (interface{}, error) {
 	return Do("SADD", setName, data)
 }
 func (p *RedisPool) SCard(setName string) (int64, error) {
-	return redigo.Int64(Do("SCARD", setName))
+	return redigoRedis.Int64(Do("SCARD", setName))
 }
 func (p *RedisPool) SIsMember(setName string, data interface{}) (bool, error) {
-	return redigo.Bool(Do("SISMEMBER", setName, data))
+	return redigoRedis.Bool(Do("SISMEMBER", setName, data))
 }
 func (p *RedisPool) SMembers(setName string) ([]string, error) {
-	return redigo.Strings(Do("SMEMBERS", setName))
+	return redigoRedis.Strings(Do("SMEMBERS", setName))
 }
 func (p *RedisPool) SRem(setName string, data interface{}) (interface{}, error) {
 	return Do("SREM", setName, data)
@@ -185,50 +185,50 @@ func (p *RedisPool) HMSet(key string, hashKeys []string, vals []interface{}) (in
 }
 
 func (p *RedisPool) HGetString(key string, HKey string) (string, error) {
-	return redigo.String(Do("HGET", key, HKey))
+	return redigoRedis.String(Do("HGET", key, HKey))
 }
 func (p *RedisPool) HGetFloat(key string, HKey string) (float64, error) {
-	f, err := redigo.Float64(Do("HGET", key, HKey))
+	f, err := redigoRedis.Float64(Do("HGET", key, HKey))
 	return float64(f), err
 }
 func (p *RedisPool) HGetInt(key string, HKey string) (int, error) {
-	return redigo.Int(Do("HGET", key, HKey))
+	return redigoRedis.Int(Do("HGET", key, HKey))
 }
 func (p *RedisPool) HGetInt64(key string, HKey string) (int64, error) {
-	return redigo.Int64(Do("HGET", key, HKey))
+	return redigoRedis.Int64(Do("HGET", key, HKey))
 }
 func (p *RedisPool) HGetBool(key string, HKey string) (bool, error) {
-	return redigo.Bool(Do("HGET", key, HKey))
+	return redigoRedis.Bool(Do("HGET", key, HKey))
 }
 func (p *RedisPool) HDel(key string, HKey string) (interface{}, error) {
 	return Do("HDEL", key, HKey)
 }
 func (p *RedisPool) HGetAll(key string) (map[string]interface{}, error) {
-	vals, err := redigo.Values(Do("HGETALL", key))
+	vals, err := redigoRedis.Values(Do("HGETALL", key))
 	if err != nil {
 		return nil, err
 	}
 	num := len(vals) / 2
 	result := make(map[string]interface{}, num)
 	for i := 0; i < num; i++ {
-		key, _ := redigo.String(vals[2*i], nil)
+		key, _ := redigoRedis.String(vals[2*i], nil)
 		result[key] = vals[2*i+1]
 	}
 	return result, nil
 }
 
 // NOTE: Use this in production environment with extreme care.
-// Read more here:https://redigo.io/commands/keys
+// Read more here:https://redigoRedis.io/commands/keys
 func (p *RedisPool) Keys(pattern string) ([]string, error) {
-	return redigo.Strings(Do("KEYS", pattern))
+	return redigoRedis.Strings(Do("KEYS", pattern))
 }
 
 func (p *RedisPool) HKeys(key string) ([]string, error) {
-	return redigo.Strings(Do("HKEYS", key))
+	return redigoRedis.Strings(Do("HKEYS", key))
 }
 
 func (p *RedisPool) Exists(key string) (bool, error) {
-	count, err := redigo.Int(Do("EXISTS", key))
+	count, err := redigoRedis.Int(Do("EXISTS", key))
 	if count == 0 {
 		return false, err
 	} else {
@@ -237,27 +237,27 @@ func (p *RedisPool) Exists(key string) (bool, error) {
 }
 
 func (p *RedisPool) Incr(key string) (int64, error) {
-	return redigo.Int64(Do("INCR", key))
+	return redigoRedis.Int64(Do("INCR", key))
 }
 
 func (p *RedisPool) Decr(key string) (int64, error) {
-	return redigo.Int64(Do("DECR", key))
+	return redigoRedis.Int64(Do("DECR", key))
 }
 
 func (p *RedisPool) IncrBy(key string, incBy int64) (int64, error) {
-	return redigo.Int64(Do("INCRBY", key, incBy))
+	return redigoRedis.Int64(Do("INCRBY", key, incBy))
 }
 
 func (p *RedisPool) DecrBy(key string, decrBy int64) (int64, error) {
-	return redigo.Int64(Do("DECRBY", key))
+	return redigoRedis.Int64(Do("DECRBY", key))
 }
 
 func (p *RedisPool) IncrByFloat(key string, incBy float64) (float64, error) {
-	return redigo.Float64(Do("INCRBYFLOAT", key, incBy))
+	return redigoRedis.Float64(Do("INCRBYFLOAT", key, incBy))
 }
 
 func (p *RedisPool) DecrByFloat(key string, decrBy float64) (float64, error) {
-	return redigo.Float64(Do("DECRBYFLOAT", key, decrBy))
+	return redigoRedis.Float64(Do("DECRBYFLOAT", key, decrBy))
 }
 
 // use for message queue
@@ -271,17 +271,17 @@ func (p *RedisPool) LPop(key string) (interface{}, error) {
 }
 
 func (p *RedisPool) LPopString(key string) (string, error) {
-	return redigo.String(Do("LPOP", key))
+	return redigoRedis.String(Do("LPOP", key))
 }
 func (p *RedisPool) LPopFloat(key string) (float64, error) {
-	f, err := redigo.Float64(Do("LPOP", key))
+	f, err := redigoRedis.Float64(Do("LPOP", key))
 	return float64(f), err
 }
 func (p *RedisPool) LPopInt(key string) (int, error) {
-	return redigo.Int(Do("LPOP", key))
+	return redigoRedis.Int(Do("LPOP", key))
 }
 func (p *RedisPool) LPopInt64(key string) (int64, error) {
-	return redigo.Int64(Do("LPOP", key))
+	return redigoRedis.Int64(Do("LPOP", key))
 }
 
 func (p *RedisPool) RPush(key string, data interface{}) (interface{}, error) {
@@ -294,28 +294,28 @@ func (p *RedisPool) RPop(key string) (interface{}, error) {
 }
 
 func (p *RedisPool) RPopString(key string) (string, error) {
-	return redigo.String(Do("RPOP", key))
+	return redigoRedis.String(Do("RPOP", key))
 }
 func (p *RedisPool) RPopFloat(key string) (float64, error) {
-	f, err := redigo.Float64(Do("RPOP", key))
+	f, err := redigoRedis.Float64(Do("RPOP", key))
 	return float64(f), err
 }
 func (p *RedisPool) RPopInt(key string) (int, error) {
-	return redigo.Int(Do("RPOP", key))
+	return redigoRedis.Int(Do("RPOP", key))
 }
 func (p *RedisPool) RPopInt64(key string) (int64, error) {
-	return redigo.Int64(Do("RPOP", key))
+	return redigoRedis.Int64(Do("RPOP", key))
 }
 
 func (p *RedisPool) Scan(cursor int64, pattern string, count int64) (int64, []string, error) {
 	var items []string
 	var newCursor int64
 
-	values, err := redigo.Values(Do("SCAN", cursor, "MATCH", pattern, "COUNT", count))
+	values, err := redigoRedis.Values(Do("SCAN", cursor, "MATCH", pattern, "COUNT", count))
 	if err != nil {
 		return 0, nil, err
 	}
-	values, err = redigo.Scan(values, &newCursor, &items)
+	values, err = redigoRedis.Scan(values, &newCursor, &items)
 	if err != nil {
 		return 0, nil, err
 	}