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 31d6eca39..7993e2ec4 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
@@ -384,7 +384,7 @@ class AnalyzeRule(val ruleData: RuleDataInterface) : JsExtensions {
                 isRegex = true
                 ruleStr0.substring(1)
             }
-            ( ruleStr0[1] == '.' || ruleStr0[1] == '[') && ruleStr0[0] == '$' {
+            ( ruleStr0[1] == '.' || ruleStr0[1] == '[') && ruleStr0[0] == '$' -> {
                 mMode = Mode.Json
                 ruleStr0
             }