diff --git a/model/line_message_log.go b/model/line_message_log.go
index 7162629..825a902 100644
--- a/model/line_message_log.go
+++ b/model/line_message_log.go
@@ -32,8 +32,27 @@ func AddLineMessageLog(g, u, msg, t string) (msglog *LineMessageLog, err error)
 }
 
 // GetLineMessageLogCount -
-func GetLineMessageLogCount() (c int, err error) {
-	err = x.Get(&c, `select count(*) as c from "public"."line_message_log"`)
+func GetLineMessageLogCount(where ...interface{}) (c int, err error) {
+	query := `select count(*) as c from "public"."line_message_log"`
+	values := make([]string, 0)
+	if len(where) > 0 {
+		if whereMap, ok := where[0].(map[string]string); ok {
+			str := ""
+			idx := 1
+			for k, v := range whereMap {
+				if len(str) > 0 {
+					str += " and "
+				}
+				str += fmt.Sprintf(` "%s" = $%d`, k, idx)
+				idx++
+				values = append(values, v)
+			}
+			if len(str) > 0 {
+				query += " where " + str
+			}
+		}
+	}
+	err = x.Get(&c, query, values)
 	return
 }
 
diff --git a/router/api/line.go b/router/api/line.go
index 3636621..a239a50 100644
--- a/router/api/line.go
+++ b/router/api/line.go
@@ -49,7 +49,15 @@ func GetLineMessageLog(c *context.Context) {
 	g := c.DefaultQuery("group", "")
 	u := c.DefaultQuery("user", "")
 
-	count, err := model.GetLineMessageLogCount()
+	where := make(map[string]string)
+	if len(g) > 0 {
+		where["group"] = g
+	}
+	if len(u) > 0 {
+		where["user"] = u
+	}
+
+	count, err := model.GetLineMessageLogCount(where)
 	if err != nil {
 		c.ServerError(nil)
 		return