diff --git a/cmake/ProtobufGenCode.cmake b/cmake/ProtobufGenCode.cmake
index 96dcdb541..e79c660d0 100644
--- a/cmake/ProtobufGenCode.cmake
+++ b/cmake/ProtobufGenCode.cmake
@@ -21,6 +21,7 @@ function(add_protobuf_gencode_target_for_proto_path)
     get_target_property(DEP_PROTO_TARGET_PROTO_PATH ${CUR_DEP_PROTO_TARGET} PROTO_PATH)
     list(APPEND PROTOC_EXTERNAL_PROTO_PATH_ARGS "--proto_path=${DEP_PROTO_TARGET_PROTO_PATH}")
   endforeach()
+  list(APPEND PROTOC_EXTERNAL_PROTO_PATH_ARGS "--proto_path=${protobuf_SOURCE_DIR}/src")
   list(REMOVE_DUPLICATES PROTOC_EXTERNAL_PROTO_PATH_ARGS)
 
   get_property(PROTOC_NAMESPACE GLOBAL PROPERTY PROTOC_NAMESPACE_PROPERTY)
@@ -84,6 +85,7 @@ function(add_protobuf_gencode_target_for_one_proto_file)
     get_target_property(DEP_PROTO_TARGET_PROTO_PATH ${CUR_DEP_PROTO_TARGET} PROTO_PATH)
     list(APPEND PROTOC_EXTERNAL_PROTO_PATH_ARGS "--proto_path=${DEP_PROTO_TARGET_PROTO_PATH}")
   endforeach()
+  list(APPEND PROTOC_EXTERNAL_PROTO_PATH_ARGS "--proto_path=${protobuf_SOURCE_DIR}/src")
   list(REMOVE_DUPLICATES PROTOC_EXTERNAL_PROTO_PATH_ARGS)
 
   get_property(PROTOC_NAMESPACE GLOBAL PROPERTY PROTOC_NAMESPACE_PROPERTY)
diff --git a/src/tools/protoc_plugin_cpp_gen_aimrt_cpp_rpc/ProtobufAimRTRpcGenCode.cmake b/src/tools/protoc_plugin_cpp_gen_aimrt_cpp_rpc/ProtobufAimRTRpcGenCode.cmake
index 244b52e6d..39bde92cb 100644
--- a/src/tools/protoc_plugin_cpp_gen_aimrt_cpp_rpc/ProtobufAimRTRpcGenCode.cmake
+++ b/src/tools/protoc_plugin_cpp_gen_aimrt_cpp_rpc/ProtobufAimRTRpcGenCode.cmake
@@ -21,6 +21,7 @@ function(add_protobuf_aimrt_rpc_gencode_target_for_proto_files)
     get_target_property(DEP_PROTO_TARGET_PROTO_PATH ${CUR_DEP_PROTO_TARGET} PROTO_PATH)
     list(APPEND PROTOC_EXTERNAL_PROTO_PATH_ARGS "--proto_path=${DEP_PROTO_TARGET_PROTO_PATH}")
   endforeach()
+  list(APPEND PROTOC_EXTERNAL_PROTO_PATH_ARGS "--proto_path=${protobuf_SOURCE_DIR}/src")
   list(REMOVE_DUPLICATES PROTOC_EXTERNAL_PROTO_PATH_ARGS)
 
   get_property(PROTOC_NAMESPACE GLOBAL PROPERTY PROTOC_NAMESPACE_PROPERTY)
diff --git a/src/tools/protoc_plugin_py_gen_aimrt_cpp_rpc/ProtobufAimRTRpcGenCode.cmake b/src/tools/protoc_plugin_py_gen_aimrt_cpp_rpc/ProtobufAimRTRpcGenCode.cmake
index 301902d6b..8cd3f01c3 100644
--- a/src/tools/protoc_plugin_py_gen_aimrt_cpp_rpc/ProtobufAimRTRpcGenCode.cmake
+++ b/src/tools/protoc_plugin_py_gen_aimrt_cpp_rpc/ProtobufAimRTRpcGenCode.cmake
@@ -21,6 +21,7 @@ function(add_protobuf_aimrt_rpc_gencode_target_for_proto_files)
     get_target_property(DEP_PROTO_TARGET_PROTO_PATH ${CUR_DEP_PROTO_TARGET} PROTO_PATH)
     list(APPEND PROTOC_EXTERNAL_PROTO_PATH_ARGS "--proto_path=${DEP_PROTO_TARGET_PROTO_PATH}")
   endforeach()
+  list(APPEND PROTOC_EXTERNAL_PROTO_PATH_ARGS "--proto_path=${protobuf_SOURCE_DIR}/src")
   list(REMOVE_DUPLICATES PROTOC_EXTERNAL_PROTO_PATH_ARGS)
 
   get_property(PROTOC_NAMESPACE GLOBAL PROPERTY PROTOC_NAMESPACE_PROPERTY)