diff --git a/IndexSDK/TestAscendIndexCluster.cpp b/IndexSDK/TestAscendIndexCluster.cpp
index 8ae60ca1d0f57ac2526ad11ffbae7666a8278792..1dadce2aca2de076d6aca8d4ad7505fc75c3e7e9 100644
--- a/IndexSDK/TestAscendIndexCluster.cpp
+++ b/IndexSDK/TestAscendIndexCluster.cpp
@@ -95,6 +95,7 @@ int main(int argc, char **argv)
         ret = index.ComputeDistanceByThreshold(queryIdArr, codeStartIdx, codeNum, threshold, aboveFilter, resDist, resIdx);
         if (ret != 0) {
             printf("[ERROR] ComputeDistanceByThreshold fail ret = %d \r\n", ret);
+            index.Finalize();
             return 1;
         }
     
diff --git a/IndexSDK/TestAscendIndexInt8FlatWithCPU.cpp b/IndexSDK/TestAscendIndexInt8FlatWithCPU.cpp
index 3e64fde38424efc38f2d3849e77604e87700873a..ef93588859d02c9c6388934b223700ef0b640984 100644
--- a/IndexSDK/TestAscendIndexInt8FlatWithCPU.cpp
+++ b/IndexSDK/TestAscendIndexInt8FlatWithCPU.cpp
@@ -297,7 +297,7 @@ int main(int argc, char **argv)
         printf("-------------------search 3-------------------\n");
         PrintSearch(dist, label);
         LoadAndSearch(ascendIndex, cpuIDMap, base, dist, label);
-
+        delete cpuSQ;
         delete cpuIDMap;
     } catch (std::exception &e) {
         printf("Exception caught:%s!\n", e.what());
diff --git a/IndexSDK/TestAscendIndexTS.cpp b/IndexSDK/TestAscendIndexTS.cpp
index 51ca53de131f73f44642f4aecf4cb55e7479a5bf..3f35d98db2217c4c757ccf4e51485607e9371bba 100644
--- a/IndexSDK/TestAscendIndexTS.cpp
+++ b/IndexSDK/TestAscendIndexTS.cpp
@@ -169,6 +169,7 @@ TEST(TestAscendIndexTS, GetFeatureByLabel)
     for (int i = 0; i < ntotal * dim / 8; i++) {
         EXPECT_EQ(base[i], getBase[i]);
     }
+    delete index;
 }
 
 TEST(TestAscendIndexTS, DeleteFeatureByLabel)
@@ -203,6 +204,7 @@ TEST(TestAscendIndexTS, DeleteFeatureByLabel)
     index->DeleteFeatureByLabel(delCount, delLabel.data());
     index->GetFeatureNum(&validNum);
     EXPECT_EQ(validNum, ntotal - delCount);
+    delete index;
 }
 
 TEST(TestAscendIndexTS, DeleteFeatureByToken)
@@ -231,6 +233,7 @@ TEST(TestAscendIndexTS, DeleteFeatureByToken)
     printf("DeleteFeatureByToken delete cost totoal %f ms\n", te - ts);
     index->GetFeatureNum(&validNum);
     EXPECT_EQ(validNum, ntotal / 2);
+    delete index;
 }
 
 TEST(TestAscendIndexTS, Acc)
diff --git a/IndexSDK/TestAscendIndexTS_int8Cos.cpp b/IndexSDK/TestAscendIndexTS_int8Cos.cpp
index a907a32378ec2c2092ce3b686b6b5b195edf2550..c574cdb22e8062a2b26a5a40efa29303a1a48311 100644
--- a/IndexSDK/TestAscendIndexTS_int8Cos.cpp
+++ b/IndexSDK/TestAscendIndexTS_int8Cos.cpp
@@ -168,6 +168,7 @@ TEST(TestAscendIndexTS_int8Cos, GetFeatureByLabel)
     for (int i = 0; i < ntotal * dim; i++) {
         EXPECT_EQ(base[i], getBase[i]);
     }
+    delete index;
 }
 
 TEST(TestAscendIndexTS_int8Cos, DeleteFeatureByLabel)
@@ -201,6 +202,7 @@ TEST(TestAscendIndexTS_int8Cos, DeleteFeatureByLabel)
     index->DeleteFeatureByLabel(delCount, delLabel.data());
     index->GetFeatureNum(&validNum);
     EXPECT_EQ(validNum, ntotal - delCount);
+    delete index;
 }
 
 TEST(TestAscendIndexTS_int8Cos, DeleteFeatureByToken)
@@ -228,6 +230,7 @@ TEST(TestAscendIndexTS_int8Cos, DeleteFeatureByToken)
     printf("DeleteFeatureByToken delete cost totoal %f ms\n", te - ts);
     index->GetFeatureNum(&validNum);
     EXPECT_EQ(validNum, ntotal / 2);
+    delete index;
 }
 
 TEST(TestAscendIndexTS_int8Cos, Acc)