diff --git a/.gitignore b/.gitignore
index b690747b..582df355 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 *.swp
 tags
 build
+_build
 compile_commands.json
 .vscode
 *.log
diff --git a/src/adapter/driver/driver.c b/src/adapter/driver/driver.c
index fd2d797e..aadcc3a4 100644
--- a/src/adapter/driver/driver.c
+++ b/src/adapter/driver/driver.c
@@ -117,6 +117,8 @@ static void update(neu_adapter_t *adapter, const char *name, neu_dvalue_t value)
         break;
     case NEU_TYPE_BYTES:
         break;
+    case NEU_TYPE_ERROR:
+        break;
     default:
         assert(value.type == NEU_TYPE_INT8);
         break;