diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index 4e8fb9b0e..31cb673da 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -100,6 +100,8 @@ services:
     environment:
       - CI=true
       - DEER_FLOW_HOME=/app/backend/.deer-flow
+      - DEER_FLOW_CONFIG_PATH=/app/backend/config.yaml
+      - DEER_FLOW_EXTENSIONS_CONFIG_PATH=/app/backend/extensions_config.json
       - DEER_FLOW_CHANNELS_LANGGRAPH_URL=${DEER_FLOW_CHANNELS_LANGGRAPH_URL:-http://langgraph:2024}
       - DEER_FLOW_CHANNELS_GATEWAY_URL=${DEER_FLOW_CHANNELS_GATEWAY_URL:-http://gateway:8001}
       # DooD path/network translation
@@ -127,7 +129,7 @@ services:
         UV_INDEX_URL: ${UV_INDEX_URL:-https://pypi.org/simple}
         UV_EXTRAS: ${UV_EXTRAS:-}
     container_name: deer-flow-langgraph
-    command: sh -c 'cd /app/backend && allow_blocking="" && if [ "$${LANGGRAPH_ALLOW_BLOCKING:-0}" = "1" ]; then allow_blocking="--allow-blocking"; fi && uv run langgraph dev --no-browser $${allow_blocking} --no-reload --host 0.0.0.0 --port 2024 --n-jobs-per-worker $${LANGGRAPH_JOBS_PER_WORKER:-10}'
+    command: sh -c 'cd /app/backend && args="--no-browser --no-reload --host 0.0.0.0 --port 2024 --n-jobs-per-worker $${LANGGRAPH_JOBS_PER_WORKER:-10}" && if [ "$${LANGGRAPH_ALLOW_BLOCKING:-0}" = "1" ]; then args="$$args --allow-blocking"; fi && uv run langgraph dev $$args'
     volumes:
       - ${DEER_FLOW_CONFIG_PATH}:/app/backend/config.yaml:ro
       - ${DEER_FLOW_EXTENSIONS_CONFIG_PATH}:/app/backend/extensions_config.json:ro
diff --git a/frontend/src/components/workspace/artifacts/artifact-file-detail.tsx b/frontend/src/components/workspace/artifacts/artifact-file-detail.tsx
index be5e735ea..42c24b820 100644
--- a/frontend/src/components/workspace/artifacts/artifact-file-detail.tsx
+++ b/frontend/src/components/workspace/artifacts/artifact-file-detail.tsx
@@ -188,17 +188,19 @@ export function ArtifactFileDetail({
               </Tooltip>
             )}
             {!isWriteFile && (
-              <a
-                href={urlOfArtifact({ filepath, threadId })}
-                target="_blank"
-                rel="noopener noreferrer"
-              >
-                <ArtifactAction
-                  icon={SquareArrowOutUpRightIcon}
-                  label={t.common.openInNewWindow}
-                  tooltip={t.common.openInNewWindow}
-                />
-              </a>
+              <ArtifactAction
+                icon={SquareArrowOutUpRightIcon}
+                label={t.common.openInNewWindow}
+                tooltip={t.common.openInNewWindow}
+                onClick={() => {
+                  const w = window.open(
+                    urlOfArtifact({ filepath, threadId }),
+                    "_blank",
+                    "noopener,noreferrer",
+                  );
+                  if (w) w.opener = null;
+                }}
+              />
             )}
             {isCodeFile && (
               <ArtifactAction
@@ -218,17 +220,19 @@ export function ArtifactFileDetail({
               />
             )}
             {!isWriteFile && (
-              <a
-                href={urlOfArtifact({ filepath, threadId, download: true })}
-                target="_blank"
-                rel="noopener noreferrer"
-              >
-                <ArtifactAction
-                  icon={DownloadIcon}
-                  label={t.common.download}
-                  tooltip={t.common.download}
-                />
-              </a>
+              <ArtifactAction
+                icon={DownloadIcon}
+                label={t.common.download}
+                tooltip={t.common.download}
+                onClick={() => {
+                  const w = window.open(
+                    urlOfArtifact({ filepath, threadId, download: true }),
+                    "_blank",
+                    "noopener,noreferrer",
+                  );
+                  if (w) w.opener = null;
+                }}
+              />
             )}
             <ArtifactAction
               icon={XIcon}
diff --git a/frontend/src/components/workspace/artifacts/artifact-file-list.tsx b/frontend/src/components/workspace/artifacts/artifact-file-list.tsx
index 3e4d893be..d1cfbef75 100644
--- a/frontend/src/components/workspace/artifacts/artifact-file-list.tsx
+++ b/frontend/src/components/workspace/artifacts/artifact-file-list.tsx
@@ -104,21 +104,21 @@ export function ArtifactFileList({
                   {t.common.install}
                 </Button>
               )}
-              <a
-                href={urlOfArtifact({
-                  filepath: file,
-                  threadId: threadId,
-                  download: true,
-                })}
-                target="_blank"
-                rel="noopener noreferrer"
-                onClick={(e) => e.stopPropagation()}
-              >
-                <Button variant="ghost">
+              <Button variant="ghost" asChild>
+                <a
+                  href={urlOfArtifact({
+                    filepath: file,
+                    threadId: threadId,
+                    download: true,
+                  })}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  onClick={(e) => e.stopPropagation()}
+                >
                   <DownloadIcon className="size-4" />
                   {t.common.download}
-                </Button>
-              </a>
+                </a>
+              </Button>
             </CardAction>
           </CardHeader>
         </Card>
diff --git a/frontend/src/components/workspace/messages/message-group.tsx b/frontend/src/components/workspace/messages/message-group.tsx
index f6e10bc6b..c80d236de 100644
--- a/frontend/src/components/workspace/messages/message-group.tsx
+++ b/frontend/src/components/workspace/messages/message-group.tsx
@@ -280,16 +280,17 @@ function ToolCall({
     return (
       <ChainOfThoughtStep
         key={id}
-        className="cursor-pointer"
         label={t.toolCalls.viewWebPage}
         icon={GlobeIcon}
-        onClick={() => {
-          window.open(url, "_blank");
-        }}
       >
         <ChainOfThoughtSearchResult>
           {url && (
-            <a href={url} target="_blank" rel="noopener noreferrer">
+            <a
+              href={url}
+              target="_blank"
+              rel="noopener noreferrer"
+              className="cursor-pointer"
+            >
               {title}
             </a>
           )}