diff --git a/.dockerignore b/.dockerignore
index 6b311102..33a72f09 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -6,7 +6,11 @@ upstream_ref/
 vllm/
 ixformer_sdk/
 muh/
-ex_engine/
+ex_engine/fla_kernels/
+ex_engine/moe/
+ex_engine/xllm_layers/npu_torch/
+ex_engine/xllm_layers/mlu/
+ex_engine/xllm_models/
 *.zip
 dockerrizhi.txt
-subrizhi.txt
+subrizhi.txt
\ No newline at end of file
diff --git a/ex_engine/build_moe_bridge.sh b/ex_engine/build_moe_bridge.sh
new file mode 100644
index 00000000..1d749ac7
--- /dev/null
+++ b/ex_engine/build_moe_bridge.sh
@@ -0,0 +1,179 @@
+#!/usr/bin/env bash
+# build_moe_bridge.sh — Compile MoE ops + bridge into ix_moe_bridge.so
+#
+# Links against:
+#   libcuinfer.so   (cuinferCustomGemm, cuinferTopK — confirmed in symbol dump)
+#   libixformer.so  (silu_and_mul, rms_norm, flash_attn, etc — confirmed)
+#
+# Real device compiler: corex clang/16, NOT nvcc
+# Reference: ex_engine/build_ix_bridge.sh
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
+VLLM_ROOT="${1:-}"
+
+echo "[moe_bridge] Building ix_moe_bridge.so"
+echo "[moe_bridge] Script dir: ${SCRIPT_DIR}"
+
+# --- Locate sources ---
+# Support both layouts:
+#   1. SCRIPT_DIR=/workspace/ex_engine → csrc/ is direct child
+#   2. SCRIPT_DIR=/workspace/qwen3_6_scripts/ex_engine_src → csrc/ is direct child
+MOE_CU=""
+BRIDGE_CPP=""
+for base in "${SCRIPT_DIR}" "${SCRIPT_DIR}/ex_engine"; do
+    [[ -f "${base}/csrc/moe_ops_impl.cu" ]] && MOE_CU="${base}/csrc/moe_ops_impl.cu"
+    [[ -f "${base}/csrc/ix_full_bridge_v2.cpp" ]] && BRIDGE_CPP="${base}/csrc/ix_full_bridge_v2.cpp"
+done
+
+if [[ -z "$MOE_CU" ]]; then
+    echo "[moe_bridge] ERROR: moe_ops_impl.cu not found under ${SCRIPT_DIR}" >&2
+    exit 1
+fi
+if [[ -z "$BRIDGE_CPP" ]]; then
+    echo "[moe_bridge] ERROR: ix_full_bridge_v2.cpp not found under ${SCRIPT_DIR}" >&2
+    exit 1
+fi
+echo "[moe_bridge] MOE_CU: ${MOE_CU}"
+echo "[moe_bridge] BRIDGE_CPP: ${BRIDGE_CPP}"
+
+# --- Locate libraries ---
+COREX_ROOT="${COREX_ROOT:-/usr/local/corex}"
+
+# Find libcuinfer.so
+CUINFER_SO=""
+for d in "${COREX_ROOT}/lib64" "${COREX_ROOT}/lib" "/usr/lib64" "/usr/lib"; do
+    if [[ -f "${d}/libcuinfer.so" ]]; then
+        CUINFER_SO="${d}/libcuinfer.so"
+        break
+    fi
+done
+
+# Find libixformer.so and ixformer Python package
+IX_LIB_DIR=""
+IX_SO_FILES=()
+for d in \
+    "${COREX_ROOT}/lib/python3/dist-packages/ixformer" \
+    "${COREX_ROOT}/lib64/python3/dist-packages/ixformer" \
+    "$(python3 -c 'import ixformer, os; print(os.path.dirname(ixformer.__file__))' 2>/dev/null || echo '')"; do
+    if [[ -d "$d" ]]; then
+        IX_LIB_DIR="$d"
+        while IFS= read -r so; do
+            IX_SO_FILES+=("$so")
+        done < <(find "$d" -name "*.so" -type f 2>/dev/null)
+        break
+    fi
+done
+
+echo "[moe_bridge] COREX_ROOT: ${COREX_ROOT}"
+echo "[moe_bridge] cuinfer: ${CUINFER_SO:-NOT FOUND}"
+echo "[moe_bridge] ixformer dir: ${IX_LIB_DIR:-NOT FOUND}"
+echo "[moe_bridge] ixformer .so count: ${#IX_SO_FILES[@]}"
+
+# --- Build via torch.utils.cpp_extension ---
+mkdir -p "${SCRIPT_DIR}/prebuilt"
+
+export SCRIPT_DIR VLLM_ROOT
+python3 << 'PYEOF'
+import os, sys, glob, shutil
+
+script_dir = os.environ.get("SCRIPT_DIR", ".")
+vllm_root = os.environ.get("VLLM_ROOT", "")
+
+# Find source files — try direct csrc/ first, then ex_engine/csrc/
+moe_cu = ""
+bridge_cpp = ""
+for base in [script_dir, os.path.join(script_dir, "ex_engine")]:
+    candidate_cu = os.path.join(base, "csrc", "moe_ops_impl.cu")
+    candidate_cpp = os.path.join(base, "csrc", "ix_full_bridge_v2.cpp")
+    if os.path.isfile(candidate_cu):
+        moe_cu = candidate_cu
+    if os.path.isfile(candidate_cpp):
+        bridge_cpp = candidate_cpp
+if not moe_cu or not bridge_cpp:
+    print(f"[moe_bridge] ERROR: sources not found under {script_dir}")
+    sys.exit(1)
+print(f"[moe_bridge] MOE_CU: {moe_cu}")
+print(f"[moe_bridge] BRIDGE_CPP: {bridge_cpp}")
+
+# Collect linker flags
+extra_ldflags = []
+rpath_dirs = set()
+
+corex_root = os.environ.get("COREX_ROOT", "/usr/local/corex")
+for search_dir in [
+    os.path.join(corex_root, "lib64"),
+    os.path.join(corex_root, "lib"),
+]:
+    if os.path.isdir(search_dir):
+        rpath_dirs.add(search_dir)
+        for so in glob.glob(os.path.join(search_dir, "libcuinfer*.so*")):
+            extra_ldflags.append(so)
+
+# ixformer .so files
+try:
+    import ixformer
+    ix_dir = os.path.dirname(ixformer.__file__)
+    rpath_dirs.add(ix_dir)
+    for so in glob.glob(os.path.join(ix_dir, "*.so")):
+        extra_ldflags.append(so)
+    for so in glob.glob(os.path.join(ix_dir, "lib*.so")):
+        if so not in extra_ldflags:
+            extra_ldflags.append(so)
+except ImportError:
+    # Search common paths
+    for d in [
+        os.path.join(corex_root, "lib", "python3", "dist-packages", "ixformer"),
+        os.path.join(corex_root, "lib64", "python3", "dist-packages", "ixformer"),
+    ]:
+        if os.path.isdir(d):
+            rpath_dirs.add(d)
+            for so in glob.glob(os.path.join(d, "*.so")):
+                extra_ldflags.append(so)
+
+for d in rpath_dirs:
+    extra_ldflags.append(f"-Wl,-rpath,{d}")
+
+print(f"[moe_bridge] Linking against {len(extra_ldflags)} items")
+for f in extra_ldflags[:10]:
+    print(f"  {f}")
+
+try:
+    from torch.utils.cpp_extension import load
+
+    mod = load(
+        name="ix_moe_bridge",
+        sources=[moe_cu, bridge_cpp],
+        extra_include_paths=[os.path.join(script_dir, "csrc")],
+        extra_cflags=["-O2", "-std=c++17"],
+        extra_cuda_cflags=["-O2", ],
+        extra_ldflags=extra_ldflags,
+        verbose=True,
+    )
+    print("[moe_bridge] ✓ Compilation successful")
+
+    # Find and copy the built .so
+    import importlib
+    spec = importlib.util.find_spec("ix_moe_bridge")
+    if spec and spec.origin:
+        dst = os.path.join(script_dir, "prebuilt", "ix_moe_bridge.so")
+        shutil.copy2(spec.origin, dst)
+        print(f"[moe_bridge] ✓ Saved to {dst}")
+
+        if vllm_root:
+            vllm_dst = os.path.join(vllm_root, "ex_engine", "ix_moe_bridge.so")
+            os.makedirs(os.path.dirname(vllm_dst), exist_ok=True)
+            shutil.copy2(spec.origin, vllm_dst)
+            print(f"[moe_bridge] ✓ Deployed to {vllm_dst}")
+    else:
+        print("[moe_bridge] ⚠ Could not locate compiled .so via importlib")
+
+except Exception as e:
+    print(f"[moe_bridge] ERROR: {e}", file=sys.stderr)
+    import traceback; traceback.print_exc()
+    sys.exit(1)
+PYEOF
+
+echo "[moe_bridge] Done"
\ No newline at end of file