diff --git a/frameworks/native/backup_ext/src/ext_extension_stub.cpp b/frameworks/native/backup_ext/src/ext_extension_stub.cpp
index f78037b07c77a3a96890c362691f517d379f31e1..ea15ecb6d9b42dd5d2b79cafc2e25c9015a0e51e 100644
--- a/frameworks/native/backup_ext/src/ext_extension_stub.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension_stub.cpp
@@ -39,20 +39,19 @@ int32_t ExtExtensionStub::OnRemoteRequest(uint32_t code,
                                           MessageParcel &reply,
                                           MessageOption &option)
 {
-    HILOGI("Begin to call procedure indexed %{public}u", code);
-    auto interfaceIndex = opToInterfaceMap_.find(code);
-    if (interfaceIndex == opToInterfaceMap_.end() || !interfaceIndex->second) {
-        stringstream ss;
-        ss << "Cannot response request " << code << ": unknown procedure";
-        return BError(BError::Codes::EXT_INVAL_ARG, ss.str());
-    }
-
     const std::u16string descriptor = ExtExtensionStub::GetDescriptor();
     const std::u16string remoteDescriptor = data.ReadInterfaceToken();
     if (descriptor != remoteDescriptor) {
         return BError(BError::Codes::EXT_INVAL_ARG, "Invalid remote descriptor");
     }
 
+    HILOGI("Begin to call procedure indexed %{public}u", code);
+    auto interfaceIndex = opToInterfaceMap_.find(code);
+    if (interfaceIndex == opToInterfaceMap_.end() || !interfaceIndex->second) {
+        HILOGE("Cannot response request %{public}d : unknown procedure", code);
+        return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
+    }
+
     return ExceptionCatcherLocked([&]() { return ErrCode((this->*(interfaceIndex->second))(data, reply)); });
 }
 
diff --git a/frameworks/native/backup_kit_inner/src/service_reverse_stub.cpp b/frameworks/native/backup_kit_inner/src/service_reverse_stub.cpp
index 9445a28de715c2546eb93ccf8b3fc6d80c8f87f5..b9299c68f40ce43629ed4e51ca5e13c1180abe41 100644
--- a/frameworks/native/backup_kit_inner/src/service_reverse_stub.cpp
+++ b/frameworks/native/backup_kit_inner/src/service_reverse_stub.cpp
@@ -29,20 +29,18 @@ int32_t ServiceReverseStub::OnRemoteRequest(uint32_t code,
                                             MessageParcel &reply,
                                             MessageOption &option)
 {
-    HILOGI("Begin to call procedure indexed %{public}u", code);
-    auto interfaceIndex = opToInterfaceMap_.find(code);
-    if (interfaceIndex == opToInterfaceMap_.end() || !interfaceIndex->second) {
-        stringstream ss;
-        ss << "Cannot response request " << code << ": unknown procedure";
-        return BError(BError::Codes::SA_INVAL_ARG, ss.str());
-    }
-
     const std::u16string descriptor = ServiceReverseStub::GetDescriptor();
     const std::u16string remoteDescriptor = data.ReadInterfaceToken();
     if (descriptor != remoteDescriptor) {
         return BError(BError::Codes::SA_INVAL_ARG, "Invalid remote descriptor");
     }
 
+    HILOGI("Begin to call procedure indexed %{public}u", code);
+    auto interfaceIndex = opToInterfaceMap_.find(code);
+    if (interfaceIndex == opToInterfaceMap_.end() || !interfaceIndex->second) {
+        HILOGE("Cannot response request %{public}d : unknown procedure", code);
+        return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
+    }
     return (this->*(interfaceIndex->second))(data, reply);
 }
 
diff --git a/services/backup_sa/src/module_ipc/service_stub.cpp b/services/backup_sa/src/module_ipc/service_stub.cpp
index 8134ca92af399a2a043d99ed71171a1f85dd0afb..21f25220f20db94cb05aca7db9f96eab9eeefe31 100644
--- a/services/backup_sa/src/module_ipc/service_stub.cpp
+++ b/services/backup_sa/src/module_ipc/service_stub.cpp
@@ -44,20 +44,19 @@ ServiceStub::ServiceStub()
 
 int32_t ServiceStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
 {
-    HILOGI("Begin to call procedure indexed %{public}u", code);
-    auto interfaceIndex = opToInterfaceMap_.find(code);
-    if (interfaceIndex == opToInterfaceMap_.end() || !interfaceIndex->second) {
-        stringstream ss;
-        ss << "Cannot response request " << code << ": unknown procedure";
-        return BError(BError::Codes::SA_INVAL_ARG, ss.str());
-    }
-
     const std::u16string descriptor = ServiceStub::GetDescriptor();
     const std::u16string remoteDescriptor = data.ReadInterfaceToken();
     if (descriptor != remoteDescriptor) {
         return BError(BError::Codes::SA_INVAL_ARG, "Invalid remote descriptor");
     }
 
+    HILOGI("Begin to call procedure indexed %{public}u", code);
+    auto interfaceIndex = opToInterfaceMap_.find(code);
+    if (interfaceIndex == opToInterfaceMap_.end() || !interfaceIndex->second) {
+        HILOGE("Cannot response request %{public}d : unknown procedure", code);
+        return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
+    }
+
     return (this->*(interfaceIndex->second))(data, reply);
 }