up

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

@@ -472,6 +472,7 @@ class AnalyzeRule(private var book: BaseBook? = null) {
 
         fun makeUpRule(result: Any?) {
             val infoVal = StringBuilder()
+            if (ruleParam.isNotEmpty()) {
                 var j = ruleParam.size
                 while (j-- > 0) {
                     val regType = ruleType[j]
@@ -496,7 +497,7 @@ class AnalyzeRule(private var book: BaseBook? = null) {
                 }
                 rule = infoVal.toString()
             }
-
+        }
     }
 
     enum class Mode {