添加通用参数

page_view事件的in_time 和out_time不变，
page_view新增两个参数：in_time_millis，out_time_millis

对于埋点通用参数：
nano_time：系统启动后时秒
absolute_time：系统启动后的 CPU 嘀嗒数纳秒。
create_at_millis：标准时间戳

Example/Podfile.lock

@@ -70,4 +70,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: ea0fac2144ac80baf8f21576cde49526c19991ad
 
-COCOAPODS: 1.8.4
+COCOAPODS: 1.9.0

GMPhobos/Classes/Phobos.m

@@ -136,12 +136,16 @@ static NSString *sdkVersion = @"110";
 }
 
 - (UIViewController *)visibleController {
-    id target = self.getTopController();
+    
+    if (self.getTopController) {
+        id target = self.getTopController();
 
-    if ([target conformsToProtocol:NSProtocolFromString(@"PhobosCustomVisibleController")]) {
-        target = [target performSelector:@selector(phobosVisibleController)];
+        if ([target conformsToProtocol:NSProtocolFromString(@"PhobosCustomVisibleController")]) {
+            target = [target performSelector:@selector(phobosVisibleController)];
+        }
+        return target;
     }
-    return target;
+    return nil;
 }
 
 #pragma mark - notification handler
@@ -354,6 +358,7 @@ static NSString *sdkVersion = @"110";
     [page initReferrerIdIfNil];
     [page initReferrerTabName];
     page.inTime = [PhobosUtil currentTime];
+    page.inTimeMillis = [PhobosUtil currentMMTime];
 }
 
 - (void)onPVEnd:(UIResponder<PhobosPVProtocol> *)page {
@@ -367,12 +372,18 @@ static NSString *sdkVersion = @"110";
         [dict setObject:page.pageName forKey:@"page_name"];
         [dict setObject:page.businessId?:@"" forKey:@"business_id"];
         [dict setObject:page.referer?:@"" forKey:@"referrer"];
-        [dict setObject:page.referrerLink ? : @[] forKey:@"referrer_link"];
+        if ([page.referrerLink isKindOfClass:[NSArray class]] && page.referrerLink.count) {
+            [dict setObject:page.referrerLink forKey:@"referrer_link"];
+        } else {
+            [dict setObject:@[] forKey:@"referrer_link"];
+        }
         [dict setObject:@(0) forKey:@"fake"];
         [dict setObject:page.referrerId ? : @"" forKey:@"referrer_id"];
         [dict setObject:page.extraParam ? : @"" forKey:@"extra_param"];
         [dict setObject:page.referrerTabName ? : @"" forKey:@"referrer_tab_name"];
         [dict setObject:page.isPush.intValue ? @(page.isPush.intValue) : @(0) forKey:@"is_push"];
+        [dict setObject:page.inTimeMillis?:@"" forKey:@"in_time_millis"];
+        [dict setObject:[PhobosUtil currentMMTime] forKey:@"out_time_millis"];
         
         if (page.inTime.length > 0) {
             // 页面显示时间为空时不记录页面pv事件
@@ -414,7 +425,11 @@ static NSString *sdkVersion = @"110";
     NSArray *referrerLink = sharedClient.visibleController.referrerLink;
     if (![eventId isEqualToString:@"page_view"]) {
         NSMutableDictionary *attributesParams = [NSMutableDictionary dictionaryWithDictionary:attributes];
-        [attributesParams setValue:referrerLink ? : @[] forKey:@"referrer_link"];
+        if ([referrerLink isKindOfClass:[NSArray class]] && referrerLink.count) {
+            [attributesParams setValue:referrerLink forKey:@"referrer_link"];
+        } else {
+            [attributesParams setValue:@[] forKey:@"referrer_link"];
+        }
         attributes = attributesParams;
     }
     [self catchNullForEvent:eventId attributes:attributes];
@@ -446,14 +461,16 @@ static NSString *sdkVersion = @"110";
         if (_signingType == PhobosSigningTypeDebug || _signingType == PhobosSigningTypeRelease) {
             [dict setObject:@(0) forKey:@"is_release"];
         }
+        NSString *nano_time = [NSString stringWithFormat:@"%lld",[[NSProcessInfo processInfo] systemUptime]];
         [dict setObject:eventId forKey:@"type"];
         [dict setObject:appParams forKey:@"app"];
         [dict setObject:sdkVersion forKey:@"version"];
         [dict setObject:deviceParams forKey:@"device"];
         [dict setObject:_userId forKey:@"user_id"];
-        [dict setObject:currentTime forKey:@"create_at"];
-        [dict setObject:@([[NSProcessInfo processInfo] systemUptime]) forKey:@"nano_time"];
-        [dict setObject:@(mach_absolute_time()) forKey:@"absolute_time"];
+        [dict setObject:currentTime forKey:@"create_at"];// 1584513842 当前时间（秒）
+        [dict setObject:nano_time?:@"" forKey:@"nano_time"];// 1657008897 系统启动后时长（秒）
+        [dict setObject:@(mach_absolute_time()) forKey:@"absolute_time"];// 148237263697318 系统启动后的 CPU 嘀嗒数（纳秒）
+        [dict setObject:[PhobosUtil currentMMTime] forKey:@"create_at_millis"];// 1584513842753 当前时间戳（毫秒）
         [dict setObject:attributes forKey:@"params"];
         [dict setObject:_sessionId forKey:@"app_session_id"];
     }

GMPhobos/Classes/PhobosPVProtocol.h

@@ -42,6 +42,9 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @property (nonatomic, copy, nonnull) NSString *inTime;
 
+/// 当前VC.view 显示的时候的时间戳(精确到毫秒)
+@property (nonatomic, copy, nonnull) NSString *inTimeMillis;
+
 /**
  前一个页面的businessId。该属性有可能为空字符串
  */

GMPhobos/Classes/PhobosUtil.m

@@ -426,7 +426,7 @@
 }
 
 /**
- * 获取手机运行时间，从开机到现在
+ * 获取手机运行时间，从开机到现在（秒）
  */
 + (NSString *)deviceRunTime {
     struct timeval boottime;

GMPhobos/Classes/UIResponder+PhobosPV.m

@@ -152,7 +152,6 @@
     objc_setAssociatedObject(self, @selector(inTime), inTime, OBJC_ASSOCIATION_COPY);
 }
 
-
 /**
  这个地方inTime的值为nil的情况不做考虑,因为Phobos不会发送。inTime必须在controller viewWillAppear时赋值
  */
@@ -161,6 +160,15 @@
     return inTime;
 }
 
+- (void)setInTimeMillis:(NSString *)inTimeMillis {
+    objc_setAssociatedObject(self, @selector(inTimeMillis), inTimeMillis, OBJC_ASSOCIATION_COPY);
+}
+
+- (NSString *)inTimeMillis {
+    NSString *inTimeMillis = objc_getAssociatedObject(self, @selector(inTimeMillis));
+    return inTimeMillis;
+}
+
 - (void)initReferrerIdIfNil {
      // 只有不为空，且是controller的情况下才自动获取
     if ([self.referrerId isEqualToString:@""] && [self isKindOfClass:[UIViewController class]]) {