From d9b8d4fdedfd0de9bf2cda017b5260cfc1e350d4 Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Thu, 2 Feb 2023 23:53:34 +0800
Subject: [PATCH] =?UTF-8?q?:art:=20Tesseract=20OCR=20=E8=AF=AD=E8=A8=80?=
 =?UTF-8?q?=E5=8C=85=E8=BF=87=E6=BB=A4=20Fix=20https://github.com/siyuan-n?=
 =?UTF-8?q?ote/siyuan/issues/7242?=
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---
 kernel/util/tesseract.go | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/kernel/util/tesseract.go b/kernel/util/tesseract.go
index 94decdff7..32057f909 100644
--- a/kernel/util/tesseract.go
+++ b/kernel/util/tesseract.go
@@ -119,12 +119,21 @@ func initTesseract() {
 		return
 	}
 
-	for _, lang := range langs {
-		TesseractLangs = append(TesseractLangs, lang)
-	}
+	TesseractLangs = filterTesseractLangs(langs)
 	logging.LogInfof("tesseract-ocr enabled [ver=%s, langs=%s]", ver, strings.Join(TesseractLangs, "+"))
 }
 
+func filterTesseractLangs(langs []string) (ret []string) {
+	ret = []string{}
+	for _, lang := range langs {
+		if "eng" == lang || strings.HasPrefix(lang, "chi") || "fra" == lang || "spa" == lang || "deu" == lang ||
+			"rus" == lang || "osd" == lang {
+			ret = append(ret, lang)
+		}
+	}
+	return ret
+}
+
 func getTesseractVer() (ret string) {
 	if ContainerStd != Container {
 		return