From bf07ab9e2fd3f0b25b6da19d7f6bc39262d84c03 Mon Sep 17 00:00:00 2001
From: boojack <stevenlgtm@gmail.com>
Date: Sat, 12 Nov 2022 11:31:16 +0800
Subject: [PATCH] fix: remove duplicate tag (#450)

fix: remove dumplicate tag
---
 server/tag.go | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/server/tag.go b/server/tag.go
index 33f4a680..a47e8a0e 100644
--- a/server/tag.go
+++ b/server/tag.go
@@ -47,9 +47,15 @@ func (s *Server) registerTagRoutes(g *echo.Group) {
 			return echo.NewHTTPError(http.StatusInternalServerError, "Failed to find memo list").SetInternal(err)
 		}
 
-		tagList := []string{}
+		tagMapSet := make(map[string]bool)
 		for _, memo := range memoList {
-			tagList = append(tagList, findTagListFromMemoContent(memo.Content)...)
+			for _, tag := range findTagListFromMemoContent(memo.Content) {
+				tagMapSet[tag] = true
+			}
+		}
+		tagList := []string{}
+		for tag := range tagMapSet {
+			tagList = append(tagList, tag)
 		}
 		sort.Strings(tagList)