update program loader

metal/paddle-mobile/paddle-mobile/PaddleMobile.swift

@@ -82,8 +82,8 @@ public class Runner: NSObject {
       }
       let loader = Loader<Float32>.init()
       do {
-        program = try loader.load(device: inDevice, paramPointer: net.paramPointer!, paramSize: net.paramSize,modePointer:net.modelPointer!,modelSize:net.modelSize)
-//        program = try loader.load(device: inDevice, modelPath: net.modelPath, paraPath: net.paramPath)
+//        program = try loader.load(device: inDevice, paramPointer: net.paramPointer!, paramSize: net.paramSize,modePointer:net.modelPointer!,modelSize:net.modelSize)
+        program = try loader.load(device: inDevice, modelPath: net.modelPath, paraPath: net.paramPath)
         net.updateProgram(program: program!)
 
         executor = try Executor<Float32>.init(inDevice: inDevice, inQueue: inQueue, inProgram: program!)