diff --git a/conn.go b/conn.go
index 60a93af..8a19461 100644
--- a/conn.go
+++ b/conn.go
@@ -6,6 +6,9 @@ import (
 
 //取值
 func GetConn() redisdb.Conn {
+	if Pool == nil {
+		Conn()
+	}
 	return Pool.Get()
 }
 
diff --git a/exists_test.go b/exists_test.go
index 4141461..efc49a1 100644
--- a/exists_test.go
+++ b/exists_test.go
@@ -12,7 +12,7 @@ func Test_Exists(t *testing.T) {
 	t.Log(ret3)
 	t.Log(err)
 
-	ret3, err := HExists("testing23")
-	t.Log(ret3)
+	ret4, err := HExists("testing23", "cc")
+	t.Log(ret4)
 	t.Log(err)
 }
diff --git a/init.go b/init.go
index 26ebbe1..2656abd 100644
--- a/init.go
+++ b/init.go
@@ -9,7 +9,7 @@ import (
 
 // 定义redis链接池
 var Pool *redisdb.Pool
-var redisServerUrl string = "127.0.0.1:6379"
+var RedisServerUrl string = "127.0.0.1:6379"
 
 // func init() {
 // 	if Pool == nil {
@@ -18,7 +18,7 @@ var redisServerUrl string = "127.0.0.1:6379"
 // }
 
 func Conn(server_url ...string) {
-	var url string = "127.0.0.1:6379"
+	var url string = RedisServerUrl
 	if len(server_url) > 0 {
 		url = server_url[0]
 	}
@@ -37,7 +37,7 @@ func RedisInit(serverUrl string, max ...int) {
 	}
 
 	if serverUrl != "" {
-		redisServerUrl = serverUrl
+		RedisServerUrl = serverUrl
 	}
 
 	Pool = &redisdb.Pool{
@@ -56,10 +56,12 @@ func redisConn() (redisdb.Conn, error) {
 	writeTimeout := redisdb.DialWriteTimeout(time.Second * time.Duration(5))
 	conTimeout := redisdb.DialConnectTimeout(time.Second * time.Duration(2))
 
-	c, err := redisdb.Dial("tcp", redisServerUrl, dbOption, pwOption, readTimeout, writeTimeout, conTimeout)
+	c, err := redisdb.Dial("tcp", RedisServerUrl, dbOption, pwOption, readTimeout, writeTimeout, conTimeout)
 	if err != nil {
-		log.Println("redis server connect failed", err)
+		log.Println("redis connect failed", err)
 		return nil, err
+	} else {
+		log.Println("redis connected", RedisServerUrl)
 	}
 	return c, nil
 }