diff --git a/frameworks/enhance_adapter/include/sec_comp_enhance_adapter.h b/frameworks/enhance_adapter/include/sec_comp_enhance_adapter.h
index 33fdf07..c3defd6 100644
--- a/frameworks/enhance_adapter/include/sec_comp_enhance_adapter.h
+++ b/frameworks/enhance_adapter/include/sec_comp_enhance_adapter.h
@@ -34,7 +34,7 @@ public:
     virtual SecCompEnhanceCfgBase* UnmarshallEnhanceCfg(Parcel& in) = 0;
     virtual int32_t SetEnhanceCfg(SecCompEnhanceCfgBase* cfg) = 0;
     virtual int32_t GetPointerEventEnhanceData(void *data, uint32_t dataLen,
-        uint8_t** enhanceData, uint32_t& enHancedataLen) = 0;
+        uint8_t* enhanceData, uint32_t& enHancedataLen) = 0;
 };
 
 class SecCompEnhanceServiceInterface {
@@ -49,7 +49,7 @@ struct SecCompEnhanceAdapter {
     static int32_t UnmarshallEnhanceCfg(Parcel& in, SecCompEnhanceCfgBase*& result);
     static int32_t SetEnhanceCfg(SecCompEnhanceCfgBase* cfg);
     static int32_t GetPointerEventEnhanceData(void *data, uint32_t dataLen,
-        uint8_t** enhanceData, uint32_t& enHancedataLen);
+        uint8_t* enhanceData, uint32_t& enHancedataLen);
 
     static int32_t EnableInputEnhance();
     static int32_t DisableInputEnhance();
diff --git a/frameworks/enhance_adapter/src/sec_comp_enhance_adapter.cpp b/frameworks/enhance_adapter/src/sec_comp_enhance_adapter.cpp
index 81dd8cf..57fcdbf 100644
--- a/frameworks/enhance_adapter/src/sec_comp_enhance_adapter.cpp
+++ b/frameworks/enhance_adapter/src/sec_comp_enhance_adapter.cpp
@@ -103,7 +103,7 @@ int32_t SecCompEnhanceAdapter::SetEnhanceCfg(SecCompEnhanceCfgBase* cfg)
 }
 
 int32_t SecCompEnhanceAdapter::GetPointerEventEnhanceData(void *data, uint32_t dataLen,
-    uint8_t** enhanceData, uint32_t& enHancedataLen)
+    uint8_t* enhanceData, uint32_t& enHancedataLen)
 {
     if (!isEnhanceInputHandlerInit) {
         InitEnhanceHandler(SEC_COMP_ENHANCE_INPUT_INTERFACE);
diff --git a/interfaces/inner_api/enhance_kits/include/sec_comp_enhance_kit.h b/interfaces/inner_api/enhance_kits/include/sec_comp_enhance_kit.h
index 78fdb3b..5c7ee04 100644
--- a/interfaces/inner_api/enhance_kits/include/sec_comp_enhance_kit.h
+++ b/interfaces/inner_api/enhance_kits/include/sec_comp_enhance_kit.h
@@ -22,7 +22,7 @@ namespace SecurityComponent {
 struct SecCompEnhanceKit {
     static int32_t SetEnhanceCfg(SecCompEnhanceCfgBase* cfg);
     static int32_t GetPointerEventEnhanceData(void *data, uint32_t dataLen,
-        uint8_t** enhanceData, uint32_t& enHancedataLen);
+        uint8_t* enhanceData, uint32_t& enHancedataLen);
 };
 }  // namespace SecurityComponent
 }  // namespace Security
diff --git a/interfaces/inner_api/enhance_kits/src/sec_comp_enhance_kit.cpp b/interfaces/inner_api/enhance_kits/src/sec_comp_enhance_kit.cpp
index 99eb415..2a88edb 100644
--- a/interfaces/inner_api/enhance_kits/src/sec_comp_enhance_kit.cpp
+++ b/interfaces/inner_api/enhance_kits/src/sec_comp_enhance_kit.cpp
@@ -23,7 +23,7 @@ int32_t SecCompEnhanceKit::SetEnhanceCfg(SecCompEnhanceCfgBase* cfg)
 }
 
 int32_t SecCompEnhanceKit::GetPointerEventEnhanceData(void *data, uint32_t dataLen,
-    uint8_t** enhanceData, uint32_t& enHancedataLen)
+    uint8_t* enhanceData, uint32_t& enHancedataLen)
 {
     return SecCompEnhanceAdapter::GetPointerEventEnhanceData(data, dataLen, enhanceData, enHancedataLen);
 }
diff --git a/interfaces/inner_api/enhance_kits/test/unittest/src/sec_comp_enhance_test.cpp b/interfaces/inner_api/enhance_kits/test/unittest/src/sec_comp_enhance_test.cpp
index 49c5649..000aa1d 100644
--- a/interfaces/inner_api/enhance_kits/test/unittest/src/sec_comp_enhance_test.cpp
+++ b/interfaces/inner_api/enhance_kits/test/unittest/src/sec_comp_enhance_test.cpp
@@ -32,6 +32,7 @@ static const std::string LIB_PATH = "/system/lib/";
 #endif
 static const std::string ENHANCE_INPUT_INTERFACE_LIB = LIB_PATH + "libsec_comp_input_enhance.z.so";
 static const std::string ENHANCE_SRV_INTERFACE_LIB = LIB_PATH + "libsec_comp_service_enhance.z.so";
+static constexpr uint32_t MAX_HMAC_SIZE = 64;
 }  // namespace
 
 void SecCompEnhanceTest::SetUpTestCase()
@@ -90,12 +91,11 @@ HWTEST_F(SecCompEnhanceTest, GetPoniterEventEnhanceData001, TestSize.Level1)
     uint8_t originData[16] = { 0 };
     uint32_t dataLen = 16;
     uint8_t* enhanceData = nullptr;
-    uint32_t enHancedataLen = 0;
+    uint32_t enHancedataLen = MAX_HMAC_SIZE;
 
-    int32_t result = SecCompEnhanceKit::GetPointerEventEnhanceData(originData, dataLen, &enhanceData, enHancedataLen);
+    int32_t result = SecCompEnhanceKit::GetPointerEventEnhanceData(originData, dataLen, enhanceData, enHancedataLen);
     if (g_inputEnhanceExist) {
         EXPECT_EQ(result, SC_OK);
-        EXPECT_EQ(enHancedataLen, static_cast<uint32_t>(0));
     } else {
         EXPECT_EQ(result, SC_ENHANCE_ERROR_NOT_EXIST_ENHANCE);
     }