up

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt

@@ -474,10 +474,12 @@ class AnalyzeRule(private var book: BaseBook? = null) {
                     val regType = ruleType[j]
                     if (regType > 0) {
                         @Suppress("UNCHECKED_CAST")
-                        val resultList = result as List<String>
+                        val resultList = result as List<String?>
                         if (resultList.size > regType) {
+                            resultList[regType]?.let {
                                 infoVal.insert(0, resultList[regType])
                             }
+                        }
                     } else if (regType < 0) {
                         val jsEval: Any = evalJS(ruleParam[j], result)
                         if (jsEval is String) {