diff --git a/define.go b/define.go
index d07f2d9..9b2899f 100644
--- a/define.go
+++ b/define.go
@@ -166,8 +166,9 @@ type ZincConfig struct {
 }
 
 const (
-	DefaultTimeout    = 5000 // 默认超时时间
-	DefaultBufferSize = 1000 // 默认buffer大小
+	DefaultTimeout           = 5000 // 默认超时时间
+	DefaultBufferSize        = 1000 // 默认buffer大小
+	DefaultForceFlushLogTime = 1000 // 强制刷新日志的时间间隔, 单位毫秒
 )
 
 const (
diff --git a/zinc_search.go b/zinc_search.go
index 4334da3..28cd9b7 100644
--- a/zinc_search.go
+++ b/zinc_search.go
@@ -21,6 +21,15 @@ import (
 )
 
 func NewZincLogConnect(cfg *ZincConfig) io.Writer {
+	if cfg.Timeout <= 0 {
+		cfg.Timeout = DefaultTimeout
+	}
+	if cfg.BufferSize <= 0 {
+		cfg.BufferSize = DefaultBufferSize
+	}
+	if cfg.ForceSyncTime <= 0 {
+		cfg.ForceSyncTime = DefaultForceFlushLogTime
+	}
 	zlc := &zincLogConnect{
 		config: cfg,
 		lock:   &sync.RWMutex{},