diff --git a/build.sh b/build.sh
index e477858..20ad419 100755
--- a/build.sh
+++ b/build.sh
@@ -23,14 +23,17 @@ for repo in apppublic sqlor ahserver rbac appbase bricks-for-python; do
     pip install -q -e pkgs/$repo
 done
 
-# Clone and install rag-pipeline (core engine)
+# Clone and install rag-pipeline (core engine - add to PYTHONPATH, not pip install)
 [ -d pkgs/rag-pipeline ] || git clone git@git.opencomputing.cn:yumoqing/rag-pipeline.git pkgs/rag-pipeline
-pip install -q -e pkgs/rag-pipeline
+# rag-pipeline is imported directly, not via pip
 
 # Clone service modules (for reference, not imported)
-for svc in clip_embedding vdb bge-reranker face-service graph-service ner-service speaker-id; do
-    [ -d pkgs/$svc ] || git clone git@git.opencomputing.cn:yumoqing/$svc.git pkgs/$svc
+for svc in clip_embedding vdb face-service graph-service ner-service; do
+    [ -d pkgs/$svc ] || git clone git@git.opencomputing.cn:yumoqing/$svc.git pkgs/$svc 2>/dev/null || echo "Skip $svc (repo may not exist yet)"
 done
+# bge-reranker and speaker-id repos may not exist yet
+[ -d pkgs/bge-reranker ] || git clone git@git.opencomputing.cn:yumoqing/bge-reranker.git pkgs/bge-reranker 2>/dev/null || echo "Skip bge-reranker"
+[ -d pkgs/speaker-id ] || git clone git@git.opencomputing.cn:yumoqing/speaker-id.git pkgs/speaker-id 2>/dev/null || echo "Skip speaker-id"
 
 # Build bricks frontend
 if [ ! -d pkgs/bricks ]; then