diff --git a/Sources/Core/Platform/PlatformInfoDelegator.hpp b/Sources/Core/Platform/PlatformInfoDelegator.hpp
index 27182b0..46ecec7 100644
--- a/Sources/Core/Platform/PlatformInfoDelegator.hpp
+++ b/Sources/Core/Platform/PlatformInfoDelegator.hpp
@@ -16,9 +16,15 @@ namespace platform {
 
 class PlatformInfoDelegator : public interface::PlatformInfoDelegator {
 public:
+    PlatformInfoDelegator();
+    ~PlatformInfoDelegator();
     std::string GetPlatform() const override;
     std::string GetOsInfo() const override;
     std::string GetModelName() const override;
+    std::string GetSdkVersion() const override;
+private:
+    class Impl;
+    std::unique_ptr<Impl> impl_;
 };
 
 }  // namespace platform
diff --git a/Sources/Core/Platform/PlatformInfoDelegator.mm b/Sources/Core/Platform/PlatformInfoDelegator.mm
index b006b5b..f780449 100644
--- a/Sources/Core/Platform/PlatformInfoDelegator.mm
+++ b/Sources/Core/Platform/PlatformInfoDelegator.mm
@@ -12,25 +12,72 @@
 #import <sys/utsname.h>
 
 #include "NSString+StdString.h"
+#include "skyway/global/interface/logger.hpp"
+
+@interface PlatformDelegator : NSObject
+
+@property(nonatomic, readonly) NSString* platform;
+@property(nonatomic, readonly) NSString* osInfo;
+@property(nonatomic, readonly) NSString* modelName;
+@property(nonatomic, readonly) NSString* sdkVersion;
+
+- (id)init;
+
+@end
+
+@implementation PlatformDelegator
+
+- (id)init {
+    if (self = [super init]) {
+        _platform = @"ios";
+
+        // os
+        NSString* systemName    = [UIDevice currentDevice].systemName;
+        NSString* systemVersion = [UIDevice currentDevice].systemVersion;
+        _osInfo                 = [NSString stringWithFormat:@"%@ %@", systemName, systemVersion];
+
+        // model
+        struct utsname systemInfo;
+        uname(&systemInfo);
+        _modelName = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
+
+        // sdk version
+        NSBundle* bundle = [NSBundle bundleForClass:self.class];
+        _sdkVersion      = [bundle infoDictionary][@"CFBundleShortVersionString"];
+    }
+    return self;
+}
+
+@end
 
 namespace skyway {
 namespace platform {
 
-std::string PlatformInfoDelegator::GetPlatform() const { return "ios"; }
+class PlatformInfoDelegator::Impl {
+public:
+    Impl() : delegator_([[PlatformDelegator alloc] init]) {}
+    PlatformDelegator* delegator_;
+};
+
+PlatformInfoDelegator::PlatformInfoDelegator()
+    : impl_(std::make_unique<PlatformInfoDelegator::Impl>()) {}
+
+PlatformInfoDelegator::~PlatformInfoDelegator(){SKW_TRACE("~PlatformInfoDelegator")}
+
+std::string PlatformInfoDelegator::GetPlatform() const {
+    return [NSString stdStringForString:impl_->delegator_.platform];
+}
 
 std::string PlatformInfoDelegator::GetOsInfo() const {
-    NSString* systemName    = [UIDevice currentDevice].systemName;
-    NSString* systemVersion = [UIDevice currentDevice].systemVersion;
-    NSString* osInfo        = [NSString stringWithFormat:@"%@ %@", systemName, systemVersion];
-    return [NSString stdStringForString:osInfo];
+    return [NSString stdStringForString:impl_->delegator_.osInfo];
 }
 
 std::string PlatformInfoDelegator::GetModelName() const {
-    struct utsname systemInfo;
-    uname(&systemInfo);
-    NSString* modelName = [NSString stringWithCString:systemInfo.machine
-                                             encoding:NSUTF8StringEncoding];
-    return [NSString stdStringForString:modelName];
+    return [NSString stdStringForString:impl_->delegator_.modelName];
+}
+
+std::string PlatformInfoDelegator::GetSdkVersion() const {
+    return [NSString stdStringForString:impl_->delegator_.sdkVersion];
 }
 
 }  // namespace platform