添加 lOG

BFFramework/Classes/PQGPUImage/akfilters/PQSubTitleFilter.swift

@@ -228,6 +228,8 @@ open class PQSubTitleFilter: BasicOperation {
                                  inputTextures: [texturePropertiesimagetwo])
 
             releaseIncomingFramebuffers()
+        }else{
+            BFLog(message: "subTitleTexture iserror !!!!")
         }
     }