diff --git a/example/execution_management_advanced_request/main.cpp b/example/execution_management_advanced_request/main.cpp
index 106ec99a..4981e6ab 100644
--- a/example/execution_management_advanced_request/main.cpp
+++ b/example/execution_management_advanced_request/main.cpp
@@ -36,6 +36,7 @@ int main(int argc, char** argv) {
   request.appendParam({
       {"tdMode", "cross"},
       {"ccy", "USDT"},
+      {"CLIENT_ORDER_ID", request.generateNextClientOrderId()},
   });
   session.sendRequest(request);
   std::this_thread::sleep_for(std::chrono::seconds(10));
diff --git a/example/execution_management_simple_request/main.cpp b/example/execution_management_simple_request/main.cpp
index 0bc0dc38..d0cceb01 100644
--- a/example/execution_management_simple_request/main.cpp
+++ b/example/execution_management_simple_request/main.cpp
@@ -54,6 +54,7 @@ int main(int argc, char** argv) {
         {"SIDE", strcmp(argv[3], "buy") == 0 ? "BUY" : "SELL"},
         {"QUANTITY", argv[4]},
         {"LIMIT_PRICE", argv[5]},
+        {"CLIENT_ORDER_ID", request.generateNextClientOrderId()},
     });
     session.sendRequest(request);
   } else if (mode == "cancel_order") {