diff --git a/interfaces/inner_kits/native_cpp/src/ipc/standard/ipc_cmd_parser.cpp b/interfaces/inner_kits/native_cpp/src/ipc/standard/ipc_cmd_parser.cpp
index df3cd9f022a943d1f47902e8f0923153047e1bc1..45b3f02a9f164d369ebd9a34f07e51e4f913558b 100644
--- a/interfaces/inner_kits/native_cpp/src/ipc/standard/ipc_cmd_parser.cpp
+++ b/interfaces/inner_kits/native_cpp/src/ipc/standard/ipc_cmd_parser.cpp
@@ -101,7 +101,7 @@ ON_IPC_READ_RESPONSE(GET_TRUST_DEVICE_LIST, MessageParcel &reply, std::shared_pt
             pRsp->SetErrCode(DEVICEMANAGER_IPC_TRANSACTION_FAILED);
             return DEVICEMANAGER_IPC_TRANSACTION_FAILED;
         }
-        for (int32_t i = 0; i < deviceTotalSize; ++i) {
+        for (int32_t i = 0; i < deviceNum; ++i) {
             pDmDeviceinfo = pDmDeviceinfo + i;
             deviceInfoVec.emplace_back(*pDmDeviceinfo);
         }