diff --git a/src/ios/SGRecord/SGRecordManager.h b/src/ios/SGRecord/SGRecordManager.h
index e16baf9..8292baa 100644
--- a/src/ios/SGRecord/SGRecordManager.h
+++ b/src/ios/SGRecord/SGRecordManager.h
@@ -35,6 +35,7 @@
  */
 - (AVCaptureVideoPreviewLayer *)previewLayer;
 
++ (instancetype) createFromOption:(SGRecordOptions*)options;
 /**
  拍照
 
diff --git a/src/ios/SGRecord/SGRecordManager.m b/src/ios/SGRecord/SGRecordManager.m
index 5ab0a70..e30adc3 100644
--- a/src/ios/SGRecord/SGRecordManager.m
+++ b/src/ios/SGRecord/SGRecordManager.m
@@ -44,12 +44,12 @@ typedef void(^PropertyChangeBlock)(AVCaptureDevice *captureDevice);
 @end
 
 @implementation SGRecordManager
-- (instancetype)init {
-    self = [super init];
-    if (self) {
-        self.maxRecordTime = self.options.duration.intValue;
-    }
-    return self;
+
++ (instancetype) createFromOption:(SGRecordOptions*)options{
+    SGRecordManager *manager =[[SGRecordManager alloc] init];
+    manager.options = options;
+    manager.maxRecordTime = manager.options.duration.floatValue;
+    return manager;
 }
 
 #pragma mark - 操作方法
@@ -198,8 +198,8 @@ typedef void(^PropertyChangeBlock)(AVCaptureDevice *captureDevice);
         //添加视频输出
         if ([_recordSession canAddOutput:self.videoOutput]) {
             [_recordSession addOutput:self.videoOutput];
-            _cx = self.options.width;
-            _cy = self.options.height;
+            _cx = self.options.width.intValue;
+            _cy = self.options.height.intValue;
         }
         //添加音频输出
         if ([_recordSession canAddOutput:self.audioOutput]) {
diff --git a/src/ios/SGRecord/SGRecordViewController.m b/src/ios/SGRecord/SGRecordViewController.m
index 16175f8..68633c4 100644
--- a/src/ios/SGRecord/SGRecordViewController.m
+++ b/src/ios/SGRecord/SGRecordViewController.m
@@ -16,7 +16,8 @@
 #import "UIButton+Convenience.h"
 #import "SGRecordOptions.h"
 #import "SGMotionManager.h"
-
+#define WEAKSELF __weak typeof(self) weakSelf = self;
+#define STRONGSELF __strong typeof(weakSelf) strongSelf = weakSelf;
 #define TIMER_INTERVAL 0.5 //定时器时间间隔
 #define RECORD_TIME 0.5 //开始录制视频的时间
 @interface SGRecordViewController ()<SGRecordEngineDelegate,UIGestureRecognizerDelegate,SGMotionManagerDeviceOrientationDelegate>
@@ -160,8 +161,7 @@
 #pragma mark - set、get方法
 - (SGRecordManager *)recordManger {
     if (!_recordManger) {
-        _recordManger = [[SGRecordManager alloc] init];
-        _recordManger.options = self.options;
+        _recordManger = [SGRecordManager createFromOption: self.options];
         _recordManger.delegate = self;
     }
     return _recordManger;