diff --git a/Modules/V2Adapter/GrowingAutoTrackKit.m b/Modules/V2Adapter/GrowingAutoTrackKit.m
index c1e4dd485..d63de585a 100644
--- a/Modules/V2Adapter/GrowingAutoTrackKit.m
+++ b/Modules/V2Adapter/GrowingAutoTrackKit.m
@@ -95,7 +95,7 @@ - (void)growingImpTrack:(NSString *)eventId withNumber:(NSNumber *)number {
 }
 
 - (void)growingImpTrack:(NSString *)eventId withVariable:(NSDictionary<NSString *, id> *)variable {
-    variable = [GrowingV2Adapter fit3xDictionary:variable];
+    variable = [GrowingV2Adapter fitAttributes:variable];
     [self growingTrackImpression:eventId attributes:variable];
 }
 
diff --git a/Modules/V2AdapterTrackOnly/GrowingCoreKit.m b/Modules/V2AdapterTrackOnly/GrowingCoreKit.m
index c156416f2..21a48e9ed 100644
--- a/Modules/V2AdapterTrackOnly/GrowingCoreKit.m
+++ b/Modules/V2AdapterTrackOnly/GrowingCoreKit.m
@@ -101,7 +101,7 @@ + (void)track:(NSString *)eventId withNumber:(NSNumber *)number {
 }
 
 + (void)track:(NSString *)eventId withVariable:(NSDictionary<NSString *, NSObject *> *)variable {
-    variable = [GrowingV2Adapter fit3xDictionary:variable];
+    variable = [GrowingV2Adapter fitAttributes:variable];
     id tracker = growing_getTracker();
     if (!tracker) {
         return;
@@ -145,7 +145,7 @@ + (void)clearUserId {
 }
 
 + (void)setPeopleVariable:(NSDictionary<NSString *, NSObject *> *)variable {
-    variable = [GrowingV2Adapter fit3xDictionary:variable];
+    variable = [GrowingV2Adapter fitAttributes:variable];
     id tracker = growing_getTracker();
     if (!tracker) {
         return;
diff --git a/Modules/V2AdapterTrackOnly/GrowingV2Adapter.m b/Modules/V2AdapterTrackOnly/GrowingV2Adapter.m
index 5d8cb36e0..67b73510e 100644
--- a/Modules/V2AdapterTrackOnly/GrowingV2Adapter.m
+++ b/Modules/V2AdapterTrackOnly/GrowingV2Adapter.m
@@ -69,16 +69,23 @@ + (void)upgrade {
     [[GrowingPersistenceDataProvider sharedInstance] setString:@"1" forKey:kGrowingUserdefault_2xto3x];
 }
 
-+ (NSDictionary *)fit3xDictionary:(NSDictionary *)variable {
-    NSMutableDictionary *mutDic = [NSMutableDictionary dictionaryWithDictionary:variable];
++ (NSDictionary *)fitAttributes:(NSDictionary *)variable {
+    NSMutableDictionary *dic = [NSMutableDictionary dictionary];
     for (NSString *key in variable.allKeys) {
         id obj = variable[key];
-        if ([obj isKindOfClass:[NSNumber class]]) {
+        if ([obj isKindOfClass:[NSString class]]) {
+            [dic setObject:obj forKey:key];
+        } else if ([obj isKindOfClass:[NSNumber class]]) {
             NSString *value = ((NSNumber *)obj).stringValue;
-            [mutDic setValue:value forKey:key];
+            [dic setValue:value forKey:key];
+        } else if ([obj isKindOfClass:[NSNull class]]) {
+            [dic setObject:@"" forKey:key];
+        } else {
+            NSString *value = [obj description];
+            [dic setObject:value forKey:key];
         }
     }
-    return mutDic;
+    return [dic copy];
 }
 
 @end
diff --git a/Modules/V2AdapterTrackOnly/Public/GrowingV2Adapter.h b/Modules/V2AdapterTrackOnly/Public/GrowingV2Adapter.h
index f71bc288a..9e3c14664 100644
--- a/Modules/V2AdapterTrackOnly/Public/GrowingV2Adapter.h
+++ b/Modules/V2AdapterTrackOnly/Public/GrowingV2Adapter.h
@@ -26,7 +26,7 @@ NS_ASSUME_NONNULL_BEGIN
 // 需要在初始化前调用, 将userId以及deviceId从v2版本迁移到v3版本中
 + (void)upgrade;
 
-+ (NSDictionary *)fit3xDictionary:(NSDictionary *)variable;
++ (NSDictionary *)fitAttributes:(NSDictionary *)variable;
 
 @end