diff --git a/ios/Classes/Api/MOB_addWebExtentionApi.h b/ios/Classes/Api/MOP_addWebExtentionApi.h
similarity index 81%
rename from ios/Classes/Api/MOB_addWebExtentionApi.h
rename to ios/Classes/Api/MOP_addWebExtentionApi.h
index d33d50d..53d26e7 100644
--- a/ios/Classes/Api/MOB_addWebExtentionApi.h
+++ b/ios/Classes/Api/MOP_addWebExtentionApi.h
@@ -9,7 +9,7 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@interface MOB_addWebExtentionApi : MOPBaseApi
+@interface MOP_addWebExtentionApi : MOPBaseApi
 @property(nonatomic, copy) NSString* name;
 @end
 
diff --git a/ios/Classes/Api/MOB_addWebExtentionApi.m b/ios/Classes/Api/MOP_addWebExtentionApi.m
similarity index 96%
rename from ios/Classes/Api/MOB_addWebExtentionApi.m
rename to ios/Classes/Api/MOP_addWebExtentionApi.m
index ba81192..0059d5b 100644
--- a/ios/Classes/Api/MOB_addWebExtentionApi.m
+++ b/ios/Classes/Api/MOP_addWebExtentionApi.m
@@ -5,11 +5,11 @@
 //  Created by 王滔 on 2021/12/21.
 //
 
-#import "MOB_addWebExtentionApi.h"
+#import "MOP_addWebExtentionApi.h"
 #import "MopPlugin.h"
 #import <FinApplet/FinApplet.h>
 
-@implementation MOB_addWebExtentionApi
+@implementation MOP_addWebExtentionApi
 
 - (void)setupApiWithSuccess:(void (^)(NSDictionary<NSString *,id> * _Nonnull))success failure:(void (^)(id _Nullable))failure cancel:(void (^)(void))cancel
 {
diff --git a/ios/Classes/Api/MOP_changeUserId.h b/ios/Classes/Api/MOP_changeUserId.h
new file mode 100644
index 0000000..d31b845
--- /dev/null
+++ b/ios/Classes/Api/MOP_changeUserId.h
@@ -0,0 +1,16 @@
+//
+//  MOP_changeUserId.h
+//  mop
+//
+//  Created by 滔 on 2023/3/23.
+//
+
+#import "MOPBaseApi.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MOP_changeUserId : MOPBaseApi
+@property (nonatomic, copy) NSString *userId;
+@end
+
+NS_ASSUME_NONNULL_END
diff --git a/ios/Classes/Api/MOP_changeUserId.m b/ios/Classes/Api/MOP_changeUserId.m
new file mode 100644
index 0000000..c9ab9ef
--- /dev/null
+++ b/ios/Classes/Api/MOP_changeUserId.m
@@ -0,0 +1,17 @@
+//
+//  MOP_changeUserId.m
+//  mop
+//
+//  Created by 滔 on 2023/3/23.
+//
+
+#import "MOP_changeUserId.h"
+#import <FinApplet/FinApplet.h>
+
+@implementation MOP_changeUserId
+- (void)setupApiWithSuccess:(void (^)(NSDictionary<NSString *,id> * _Nonnull))success failure:(void (^)(id _Nullable))failure cancel:(void (^)(void))cancel
+{
+    [FATClient sharedClient].config.currentUserId = self.userId;
+    success(@{});
+}
+@end
diff --git a/ios/Classes/Api/MOP_initSDK.m b/ios/Classes/Api/MOP_initSDK.m
index 57c0157..9b9a5bc 100644
--- a/ios/Classes/Api/MOP_initSDK.m
+++ b/ios/Classes/Api/MOP_initSDK.m
@@ -250,10 +250,16 @@
         failure(@"初始化失败");
         return;
     }
-    FATLogLevel logLevel = [self.config[@"logLevel"] integerValue];
-    NSString *logDir = self.config[@"logDir"];
-//    [[FATExtClient sharedClient] fat_prepareExtensionApis];
-    [[FATClient sharedClient].logManager initLogWithLogDir:logDir logLevel:logLevel consoleLog:YES];
+    
+    NSInteger logLevelIntValue = [self.config[@"logLevel"] integerValue];
+    if (logLevelIntValue >= 5) {
+        [[FATClient sharedClient].logManager closeLog];
+    } else {
+        FATLogLevel logLevel = logLevelIntValue;
+        NSString *logDir = self.config[@"logDir"];
+        [[FATClient sharedClient].logManager initLogWithLogDir:logDir logLevel:logLevel consoleLog:YES];
+    }
+    
     
     
     [[FATClient sharedClient] setEnableLog:YES];