diff --git a/test/unittest/src/crypto_dsa_asy_key_generator_by_spec_test.cpp b/test/unittest/src/crypto_dsa_asy_key_generator_by_spec_test.cpp
index a85af2f7a5a2e0ef0b89b85e18fdbed6cfd850b0..59b725f82bd8d3bbba65b53d50fe3487d30c3b39 100644
--- a/test/unittest/src/crypto_dsa_asy_key_generator_by_spec_test.cpp
+++ b/test/unittest/src/crypto_dsa_asy_key_generator_by_spec_test.cpp
@@ -308,7 +308,7 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorBySpecTest, CryptoDsaAsyKeyGeneratorBySpecTest1
 
     const char *className = generator->base.getClass();
     HcfObjDestroy(generator);
-    ASSERT_EQ(&className, &g_asyKeyGeneratorBySpecClass);
+    ASSERT_EQ(strcmp(className, g_asyKeyGeneratorBySpecClass), 0);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorBySpecTest, CryptoDsaAsyKeyGeneratorBySpecTest102, TestSize.Level0)
diff --git a/test/unittest/src/crypto_signature_exception_test.cpp b/test/unittest/src/crypto_signature_exception_test.cpp
index 81325a063ffa2e00839152228f5929d8d5321a77..43a108da9265c649d232f23828597c7c841db275 100644
--- a/test/unittest/src/crypto_signature_exception_test.cpp
+++ b/test/unittest/src/crypto_signature_exception_test.cpp
@@ -252,7 +252,8 @@ HWTEST_F(CryptoSignatureExceptionTest, CryptoSignatureExceptionTest013, TestSize
     ASSERT_EQ(ret, HCF_INVALID_PARAMS);
 
     HcfSignSpi *returnObj = nullptr;
-    ret = HcfSignSpiRsaCreate((HcfSignatureParams *)&g_obj, &returnObj);
+    HcfSignatureParams obj = {};
+    ret = HcfSignSpiRsaCreate((HcfSignatureParams *)&obj, &returnObj);
     ASSERT_EQ(ret, HCF_INVALID_PARAMS);
 }
 
@@ -265,7 +266,8 @@ HWTEST_F(CryptoSignatureExceptionTest, CryptoSignatureExceptionTest014, TestSize
     ASSERT_EQ(ret, HCF_INVALID_PARAMS);
 
     HcfVerifySpi *returnObj = nullptr;
-    ret = HcfVerifySpiRsaCreate((HcfSignatureParams *)&g_obj, &returnObj);
+    HcfSignatureParams obj = {};
+    ret = HcfVerifySpiRsaCreate((HcfSignatureParams *)&obj, &returnObj);
     ASSERT_EQ(ret, HCF_INVALID_PARAMS);
 }
 }
\ No newline at end of file
diff --git a/test/unittest/src/crypto_sm4_cfb_cipher_test.cpp b/test/unittest/src/crypto_sm4_cfb_cipher_test.cpp
index d674789262a7d7b3e4c2c92c3238e6e6caf9ddde..342de192ca0add10b8758331856cc3e693b36cd0 100644
--- a/test/unittest/src/crypto_sm4_cfb_cipher_test.cpp
+++ b/test/unittest/src/crypto_sm4_cfb_cipher_test.cpp
@@ -718,7 +718,7 @@ HWTEST_F(CryptoSM4CfbCipherTest, CryptoAesCipherTest050, TestSize.Level0)
     int ret = 0;
     uint8_t aad[8] = {0};
     uint8_t tag[12] = {0};
-    uint8_t iv[7] = {0};
+    uint8_t iv[16] = {0};
     uint8_t cipherText[128] = {0};
     int cipherTextLen = 128;