From c7b76832cfc844d1f710b43bc0eae71aa84147b2 Mon Sep 17 00:00:00 2001
From: kunfei <gekunfei@live.com>
Date: Mon, 20 Mar 2023 10:12:35 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
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---
 .../java/io/legado/app/model/analyzeRule/AnalyzeRule.kt   | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt
index 71dc443ee..6e64839f3 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt
@@ -642,10 +642,10 @@ class AnalyzeRule(
                 return it.title
             }
         }
-        return chapter?.getVariable(key)
-            ?: book?.getVariable(key)
-            ?: ruleData?.getVariable(key)
-            ?: source?.get(key)
+        return chapter?.getVariable(key)?.takeIf { it.isNotEmpty() }
+            ?: book?.getVariable(key)?.takeIf { it.isNotEmpty() }
+            ?: ruleData?.getVariable(key)?.takeIf { it.isNotEmpty() }
+            ?: source?.get(key)?.takeIf { it.isNotEmpty() }
             ?: ""
     }