diff --git a/test/unittest/src/crypto_dsa_asy_key_generator_test.cpp b/test/unittest/src/crypto_dsa_asy_key_generator_test.cpp
index 50393d48e3b4a9497d47a68e740425704279d5d3..d5a91adc20c98441cc21cecde8a39c32d1fbd777 100644
--- a/test/unittest/src/crypto_dsa_asy_key_generator_test.cpp
+++ b/test/unittest/src/crypto_dsa_asy_key_generator_test.cpp
@@ -616,6 +616,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest409, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest410, TestSize.Level0)
@@ -636,6 +638,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest410, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest411, TestSize.Level0)
@@ -656,6 +660,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest411, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest501, TestSize.Level0)
@@ -679,6 +685,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest501, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest502, TestSize.Level0)
@@ -699,6 +707,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest502, TestSize
 
     convertKeyPair->base.destroy(&(convertKeyPair->base));
     HcfObjDestroy(generator);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest503, TestSize.Level0)
@@ -722,6 +732,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest503, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest504, TestSize.Level0)
@@ -745,6 +757,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest504, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest505, TestSize.Level0)
@@ -768,6 +782,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest505, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest506, TestSize.Level0)
@@ -791,6 +807,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest506, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(blob.data, nullptr);
     ASSERT_NE(blob.len, 0);
@@ -816,6 +834,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest507, TestSize
     const char *pkFormat = convertKeyPair->pubKey->base.getFormat(&(convertKeyPair->pubKey->base));
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
     ASSERT_STREQ(pkFormat, g_opensslDsaPubKeyFormat);
 }
 
@@ -839,6 +859,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest508, TestSize
     ret = convertKeyPair->pubKey->getAsyKeySpecBigInteger(convertKeyPair->pubKey, DSA_P_BN, &p);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(p.data, nullptr);
@@ -866,6 +888,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest509, TestSize
     ret = convertKeyPair->pubKey->getAsyKeySpecBigInteger(convertKeyPair->pubKey, DSA_Q_BN, &q);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(q.data, nullptr);
@@ -893,6 +917,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest510, TestSize
     ret = convertKeyPair->pubKey->getAsyKeySpecBigInteger(convertKeyPair->pubKey, DSA_G_BN, &g);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(g.data, nullptr);
@@ -920,6 +946,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest511, TestSize
     ret = convertKeyPair->pubKey->getAsyKeySpecBigInteger(convertKeyPair->pubKey, DSA_PK_BN, &pk);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(pk.data, nullptr);
@@ -948,6 +976,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest512, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest513, TestSize.Level0)
@@ -970,6 +1000,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest513, TestSize
     convertKeyPair->priKey = nullptr;
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest514, TestSize.Level0)
@@ -993,6 +1025,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest514, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest515, TestSize.Level0)
@@ -1016,6 +1050,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest515, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(blob.data, nullptr);
     ASSERT_NE(blob.len, 0);
@@ -1043,6 +1079,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest516, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest517, TestSize.Level0)
@@ -1065,6 +1103,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest517, TestSize
     ret = convertKeyPair->priKey->getAsyKeySpecBigInteger(convertKeyPair->priKey, DSA_P_BN, &p);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(p.data, nullptr);
@@ -1092,6 +1132,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest518, TestSize
     ret = convertKeyPair->priKey->getAsyKeySpecBigInteger(convertKeyPair->priKey, DSA_Q_BN, &q);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(q.data, nullptr);
@@ -1119,6 +1161,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest519, TestSize
     ret = convertKeyPair->priKey->getAsyKeySpecBigInteger(convertKeyPair->priKey, DSA_G_BN, &g);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(g.data, nullptr);
@@ -1146,6 +1190,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest520, TestSize
     ret = convertKeyPair->priKey->getAsyKeySpecBigInteger(convertKeyPair->priKey, DSA_SK_BN, &sk);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 
     ASSERT_EQ(ret, HCF_SUCCESS);
     ASSERT_NE(sk.data, nullptr);
@@ -1172,6 +1218,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest521, TestSize
     convertKeyPair->priKey->clearMem(convertKeyPair->priKey);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest522, TestSize.Level0)
@@ -1196,6 +1244,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest522, TestSize
 
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
 }
 
 HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest523, TestSize.Level0)
@@ -1218,6 +1268,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest523, TestSize
     ret = convertKeyPair->priKey->getAsyKeySpecString(convertKeyPair->priKey, DSA_P_BN, &testC);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
     ASSERT_EQ(ret, HCF_NOT_SUPPORT);
 }
 
@@ -1241,6 +1293,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest524, TestSize
     ret = convertKeyPair->pubKey->getAsyKeySpecInt(convertKeyPair->pubKey, DSA_P_BN, &testI);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
     ASSERT_EQ(ret, HCF_NOT_SUPPORT);
 }
 
@@ -1264,6 +1318,8 @@ HWTEST_F(CryptoDsaAsyKeyGeneratorTest, CryptoDsaAsyKeyGeneratorTest525, TestSize
     ret = convertKeyPair->pubKey->getAsyKeySpecString(convertKeyPair->pubKey, DSA_P_BN, &testC);
     HcfObjDestroy(generator);
     HcfObjDestroy(convertKeyPair);
+    HcfFree(pkBlob.data);
+    HcfFree(skBlob.data);
     ASSERT_EQ(ret, HCF_NOT_SUPPORT);
 }
 }
\ No newline at end of file