diff --git a/.github/workflows/hqps-db-ci.yml b/.github/workflows/hqps-db-ci.yml
index 7872fd5a0105..a2cea64d4bfd 100644
--- a/.github/workflows/hqps-db-ci.yml
+++ b/.github/workflows/hqps-db-ci.yml
@@ -116,6 +116,7 @@ jobs:
         GS_TEST_DIR: ${{ github.workspace }}/gstest
         FLEX_DATA_DIR: ${{ github.workspace }}/flex/interactive/examples/modern_graph
         TMP_INTERACTIVE_WORKSPACE: /tmp/temp_workspace
+        LD_LIBRARY_PATH: /usr/local/lib
       run: |
         cd ${GITHUB_WORKSPACE}/flex/build/
         SCHEMA_FILE=${GITHUB_WORKSPACE}/flex/interactive/examples/modern_graph/graph.yaml
diff --git a/flex/.devcontainer.json b/flex/.devcontainer.json
index 517662eb99af..8e20e6284157 100644
--- a/flex/.devcontainer.json
+++ b/flex/.devcontainer.json
@@ -27,7 +27,6 @@
         }
     },
     // Set `remoteUser` to `root` to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
-    "remoteUser": "root",
+    "remoteUser": "graphscope",
     "postCreateCommand": "sudo chown -R graphscope /workspaces && bash pre-commit/install-hook.sh && bash pre-commit/prepare-commit-msg"
-}
-
+}
\ No newline at end of file
diff --git a/flex/engines/http_server/actor/executor.act.cc b/flex/engines/http_server/actor/executor.act.cc
index e0bcdcaeb177..aba73eca0f74 100644
--- a/flex/engines/http_server/actor/executor.act.cc
+++ b/flex/engines/http_server/actor/executor.act.cc
@@ -42,6 +42,8 @@ seastar::future<query_result> executor::run_graph_db_query(
                  .Eval(param.content);
   if (!ret.ok()) {
     LOG(ERROR) << "Eval failed: " << ret.status().error_message();
+    return seastar::make_exception_future<query_result>(
+      "Query failed: " + ret.status().error_message());
   }
   auto result = ret.value();
   seastar::sstring content(result.data(), result.size());