diff --git a/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/Function/DoraemonNSLogManager.h b/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/Function/DoraemonNSLogManager.h
index dfd2ff56a..207dcdd87 100644
--- a/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/Function/DoraemonNSLogManager.h
+++ b/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/Function/DoraemonNSLogManager.h
@@ -13,11 +13,14 @@
 
 + (instancetype)sharedInstance;
 
-@property (nonatomic, strong) NSMutableArray<DoraemonNSLogModel *> *dataArray;
-
 - (void)startNSLogMonitor;
 
 - (void)stopNSLogMonitor;
 
 - (void)addNSLog:(NSString *)log;
+
+- (NSArray<DoraemonNSLogModel *> *)readLogs;
+- (void)clearLogs;
+
 @end
+
diff --git a/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/Function/DoraemonNSLogManager.m b/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/Function/DoraemonNSLogManager.m
index 37f3b6eff..b1b6adf67 100644
--- a/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/Function/DoraemonNSLogManager.m
+++ b/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/Function/DoraemonNSLogManager.m
@@ -25,6 +25,10 @@ void myNSLog(NSString *format, ...){
     old_nslog(@"%@",str);
 }
 
+@interface DoraemonNSLogManager()
+@property (nonatomic, strong) NSMutableArray<DoraemonNSLogModel *> *dataArray;
+@property (nonatomic, strong) dispatch_queue_t logQueue;
+@end
 
 @implementation DoraemonNSLogManager
 
@@ -39,6 +43,7 @@ + (instancetype)sharedInstance {
 }
 
 - (void)startNSLogMonitor{
+    self.logQueue = dispatch_queue_create("dokit.log.queue", DISPATCH_QUEUE_SERIAL);
     doraemon_rebind_symbols((struct doraemon_rebinding[1]){"NSLog", (void *)myNSLog, (void **)&old_nslog},1);
 }
 
@@ -47,14 +52,16 @@ - (void)stopNSLogMonitor{
 }
 
 - (void)addNSLog:(NSString *)log{
-    DoraemonNSLogModel *model = [[DoraemonNSLogModel alloc] init];
-    model.content = log;
-    model.timeInterval = [[NSDate date] timeIntervalSince1970];
-    
-    if (!_dataArray) {
-        _dataArray = [[NSMutableArray alloc] init];
-    }
-    [_dataArray addObject:model];
+    dispatch_sync(self.logQueue, ^{
+        DoraemonNSLogModel *model = [[DoraemonNSLogModel alloc] init];
+        model.content = log;
+        model.timeInterval = [[NSDate date] timeIntervalSince1970];
+        
+        if (!_dataArray) {
+            _dataArray = [[NSMutableArray alloc] init];
+        }
+        [_dataArray addObject:model];
+    });
     
 //    return;
 //    if (@available(iOS 13.0, *)) {
@@ -66,4 +73,15 @@ - (void)addNSLog:(NSString *)log{
 
 }
 
+- (NSArray<DoraemonNSLogModel *> *)readLogs {
+    NSArray *array = [_dataArray copy];
+    return array;
+}
+
+- (void)clearLogs {
+    dispatch_sync(self.logQueue, ^{
+        [self.dataArray removeAllObjects];
+    });
+}
+
 @end
diff --git a/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/List/DoraemonNSLogListViewController.m b/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/List/DoraemonNSLogListViewController.m
index d27f68955..212a236aa 100644
--- a/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/List/DoraemonNSLogListViewController.m
+++ b/iOS/DoraemonKit/Src/Core/Plugin/Common/NSLog/List/DoraemonNSLogListViewController.m
@@ -33,8 +33,8 @@ - (void)viewDidLoad {
     [self setRightNavBarItems:@[model1,model2]];
     
     //按照时间倒序排列
-    self.dataArray = [[[DoraemonNSLogManager sharedInstance].dataArray reverseObjectEnumerator] allObjects];
-    
+    NSArray *logs = [[DoraemonNSLogManager sharedInstance] readLogs];
+    self.dataArray = [[logs reverseObjectEnumerator] allObjects];
   
     _searchView = [[DoraemonNSLogSearchView alloc] initWithFrame:CGRectMake(kDoraemonSizeFrom750_Landscape(32), IPHONE_NAVIGATIONBAR_HEIGHT+kDoraemonSizeFrom750_Landscape(32), self.view.doraemon_width-2*kDoraemonSizeFrom750_Landscape(32), kDoraemonSizeFrom750_Landscape(100))];
     _searchView.delegate = self;
@@ -49,13 +49,13 @@ - (void)viewDidLoad {
 }
 
 - (void)clear {
-    [[DoraemonNSLogManager sharedInstance].dataArray removeAllObjects];
+    [[DoraemonNSLogManager sharedInstance] clearLogs];
     self.dataArray = [[NSArray alloc] init];
     [self.tableView reloadData];
 }
 
 - (void)export {
-    NSArray<DoraemonNSLogModel *> *dataArray = [[DoraemonNSLogManager sharedInstance].dataArray  copy];
+    NSArray<DoraemonNSLogModel *> *dataArray = [[DoraemonNSLogManager sharedInstance] readLogs];
     NSMutableString *log = [[NSMutableString alloc] init];
     for (DoraemonNSLogModel *model in dataArray) {
         NSString *time = [NSString stringWithFormat:@"[%@]",[DoraemonUtil dateFormatTimeInterval:model.timeInterval]];
@@ -128,7 +128,7 @@ - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEd
 #pragma mark - DoraemonNSLogSearchViewDelegate
 - (void)searchViewInputChange:(NSString *)text{
     if (text.length > 0) {
-        NSArray *dataArray = [[[DoraemonNSLogManager sharedInstance].dataArray reverseObjectEnumerator] allObjects];
+        NSArray *dataArray = [[[[DoraemonNSLogManager sharedInstance] readLogs] reverseObjectEnumerator] allObjects];
         NSMutableArray *resultArray = [[NSMutableArray alloc] init];
         for(DoraemonNSLogModel *model in dataArray){
             NSString *content = model.content;
@@ -138,7 +138,7 @@ - (void)searchViewInputChange:(NSString *)text{
         }
         self.dataArray = [[NSArray alloc] initWithArray:resultArray];
     }else{
-        self.dataArray = [[[DoraemonNSLogManager sharedInstance].dataArray reverseObjectEnumerator] allObjects];
+        self.dataArray = [[[[DoraemonNSLogManager sharedInstance] readLogs] reverseObjectEnumerator] allObjects];
     }
 
     [self.tableView reloadData];