diff --git a/test/unittest/platform/common/dac_test.c b/test/unittest/platform/common/dac_test.c
index 3d1e14df..bc35e8c6 100644
--- a/test/unittest/platform/common/dac_test.c
+++ b/test/unittest/platform/common/dac_test.c
@@ -32,7 +32,7 @@ static int32_t DacTestGetConfig(struct DacTestConfig *config)
         return HDF_ERR_NOT_SUPPORT;
     }
 
-    reply = HdfSBufObtain(sizeof(*config) + sizeof(uint64_t));
+    reply = HdfSbufObtain(sizeof(*config) + sizeof(uint64_t));
     if (reply == NULL) {
         HDF_LOGE("%s: failed to obtain reply", __func__);
         return HDF_ERR_MALLOC_FAIL;
@@ -41,27 +41,28 @@ static int32_t DacTestGetConfig(struct DacTestConfig *config)
     ret = service->dispatcher->Dispatch(&service->object, 0, NULL, reply);
     if (ret != HDF_SUCCESS) {
         HDF_LOGE("%s: remote dispatch failed", __func__);
+        HdfSbufRecycle(reply);
         return ret;
     }
 
     if (!HdfSbufReadBuffer(reply, &buf, &len)) {
         HDF_LOGE("%s: read buf failed", __func__);
-        HdfSBufRecycle(reply);
+        HdfSbufRecycle(reply);
         return HDF_ERR_IO;
     }
 
     if (len != sizeof(*config)) {
         HDF_LOGE("%s: config size:%zu, read size:%u", __func__, sizeof(*config), len);
-        HdfSBufRecycle(reply);
+        HdfSbufRecycle(reply);
         return HDF_ERR_IO;
     }
 
     if (memcpy_s(config, sizeof(*config), buf, sizeof(*config)) != EOK) {
         HDF_LOGE("%s: memcpy buf failed", __func__);
-        HdfSBufRecycle(reply);
+        HdfSbufRecycle(reply);
         return HDF_ERR_IO;
     }
-    HdfSBufRecycle(reply);
+    HdfSbufRecycle(reply);
     HDF_LOGD("%s: exit", __func__);
     return HDF_SUCCESS;
 }