fix indexOfIndexPath(_ indexPath:) mothed

Author: Coder-TanJX

JXBanner.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'JXBanner'
-  s.version          = '0.3.0'
+  s.version          = '0.3.1'
   s.summary          = 'A multifunctional framework for banner unlimited rollover diagrams'
 
 # This description is used to generate tags and improve search results.

JXBanner/Classes/Banner/Banner/JXBanner.swift

@@ -381,6 +381,6 @@ UICollectionViewDelegate {
 
     func indexOfIndexPath(_ indexPath : IndexPath)
         -> Int {
-            return Int(indexPath.item % pageCount)
+            return pageCount > 0 ? Int(indexPath.item % pageCount) : 0
     }
 }