bugfix 兼容存储crash

GMPhobos/Classes/PhobosDevice.m

@@ -9,6 +9,7 @@
 #import <AdSupport/ASIdentifierManager.h>
 #import <SAMKeychain/SAMKeychain.h>
 #import <GMCache/GMCache.h>
+#import "PhobosUtil.h"
 //#import <AppTrackingTransparency/AppTrackingTransparency.h>
 
 NSString *const KprivatePolicyNotification = @"gm_popup_private_policy_notification";
@@ -21,6 +22,12 @@ NSString *const IDFA = @"idfa";
 // 默认获取不到的idfa
 NSString *defaultIDFA = @"00000000-0000-0000-0000-000000000000";
 
+
+static dispatch_queue_t queue;
+@interface PhobosDevice()
+@property (class, nonatomic, strong) NSMutableDictionary *paramsDic;
+@end
+
 @implementation PhobosDevice
 
 #pragma mark - getIDFA
@@ -139,8 +146,18 @@ NSString *defaultIDFA = @"00000000-0000-0000-0000-000000000000";
 
 #pragma mark - 钥匙串封装
 + (void)saveKeyChainWithValue:(NSString *)value service:(NSString *)service account:(NSString *)account {
+    //避免在重复相同的key 重复设置
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        queue = dispatch_queue_create("com.device.idfa.serial.queue", DISPATCH_QUEUE_SERIAL);
+    });
+    
+    if (queue && [PhobosUtil isNonEmpty:service] && ![self checkIdfaIsNull:value]) {
+        dispatch_sync(queue, ^{
             [SAMKeychain setPassword:value forService:service account:account];
             [SAMKeychain setAccessibilityType:kSecAttrAccessibleAlwaysThisDeviceOnly];
+        });
+    }
 }
 
 //根据 service 与账户keyChain 获取存储的值
@@ -151,4 +168,5 @@ NSString *defaultIDFA = @"00000000-0000-0000-0000-000000000000";
 + (BOOL)showPrivatePolicy {
     return [GMCache fetchObjectAtDocumentPathWithkey:KprivatePolicyNotification];
 }
+
 @end