From b4e538737b100d6ee3583f091ea6fb4098e7e856 Mon Sep 17 00:00:00 2001
From: status102 <102887808+status102@users.noreply.github.com>
Date: Tue, 24 Feb 2026 15:17:11 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20=E8=A2=AB=E7=A6=81=E7=94=A8=E7=9A=84?=
 =?UTF-8?q?=E5=85=B3=E5=8D=A1=E9=94=99=E8=AF=AF=E8=BF=9B=E5=85=A5=E5=85=B3?=
 =?UTF-8?q?=E5=8D=A1=E5=90=8D=E4=BA=8C=E6=AC=A1=E8=AF=86=E5=88=AB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/MaaCore/Vision/Miscellaneous/StageDropsImageAnalyzer.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/MaaCore/Vision/Miscellaneous/StageDropsImageAnalyzer.cpp b/src/MaaCore/Vision/Miscellaneous/StageDropsImageAnalyzer.cpp
index 7b43f4669d..54e70ca7be 100644
--- a/src/MaaCore/Vision/Miscellaneous/StageDropsImageAnalyzer.cpp
+++ b/src/MaaCore/Vision/Miscellaneous/StageDropsImageAnalyzer.cpp
@@ -54,6 +54,7 @@ bool asst::StageDropsImageAnalyzer::analyze_stage_code()
 {
     LogTraceFunction;
 
+    static const std::string invalid_stage_code = "_INVALID_";
     std::string stage_code;
     Rect text_rect;
 
@@ -69,7 +70,7 @@ bool asst::StageDropsImageAnalyzer::analyze_stage_code()
     }
 
     // 如果不带 '-'，用非 char 模型再识别一次（适配剿灭/活动等特殊关卡码）
-    if (stage_code.find('-') == std::string::npos) {
+    if (stage_code != invalid_stage_code && stage_code.find('-') == std::string::npos) {
         RegionOCRer analyzer(m_image);
         analyzer.set_task_info("StageDrops-StageName");
         analyzer.set_use_char_model(false);