diff --git a/plugins/restful/rw_handle.c b/plugins/restful/rw_handle.c
index e153fb21..e46683b8 100644
--- a/plugins/restful/rw_handle.c
+++ b/plugins/restful/rw_handle.c
@@ -94,7 +94,7 @@ void handle_write(nng_aio *aio)
             switch (req->t) {
             case NEU_JSON_INT:
                 cmd.value.type      = NEU_TYPE_INT64;
-                cmd.value.value.u64 = req->value.val_int;
+                cmd.value.value.i64 = req->value.val_int;
                 break;
             case NEU_JSON_STR:
                 cmd.value.type = NEU_TYPE_STRING;
diff --git a/src/adapter/driver/driver.c b/src/adapter/driver/driver.c
index 5001e289..06915227 100644
--- a/src/adapter/driver/driver.c
+++ b/src/adapter/driver/driver.c
@@ -699,7 +699,7 @@ void neu_adapter_driver_write_tag(neu_adapter_driver_t *driver,
         }
         if (tag->type == NEU_TYPE_FLOAT || tag->type == NEU_TYPE_DOUBLE) {
             if (cmd->value.type == NEU_TYPE_INT64) {
-                cmd->value.value.d64 = (double) cmd->value.value.u64;
+                cmd->value.value.d64 = (double) cmd->value.value.i64;
             }
         }