fix error

BFRecordScreenKit/Classes/RecordScreen/Controller/BFRecordScreenCameraManager.swift

@@ -621,15 +621,15 @@ class BFRecordScreenCameraManager : BFRecordScreenBaseManager{
             
             wself.progreddL?.text = CMTimeGetSeconds(progress).formatDurationToHMS()
             if wself.recordItem?.thumbImgs.count ?? 0 > 0 {
-                wself.cameraProgressV?.updateCellWidth(index: wself.recordItem!.thumbImgs.count - 1, progress: progress)
+                wself.cameraProgressV?.updateCellWidth(progress: progress, increaseTime: wself.increaseTime)
             }
         }
     }
     
     // 添加新的缩略图
-    func addNewThumb(){
+    func addNewThumb(_ img:UIImage){
         if let progressThumV = cameraProgressV {
-            progressThumV.addThumbImages()
+            progressThumV.addThumbImages(img)
         }
     }
     
@@ -664,9 +664,13 @@ extension BFRecordScreenCameraManager : GPUImageVideoCameraDelegate {
                 
                 if img != nil {
 //                    BFLog(1, message: "取一张缩略图出来 \(dur.seconds)， \(wself.recordItem?.thumbImgs.count ?? 0)")
-                    wself.recordItem?.thumbImgs.append(img!)
                     wself.videoModel.thumImgs?.append(img!)
-                    wself.addNewThumb()
+                    if let videoStickers = wself.recordItem?.videoStickers {
+                        wself.recordItem?.thumbImgs = videoStickers.map({ mod in
+                            mod.thumImgs!
+                        }).flatMap{$0}
+                    }
+                    wself.addNewThumb(img!)
                 }
             }
         }