diff --git a/tools/pnnx/src/CMakeLists.txt b/tools/pnnx/src/CMakeLists.txt
index c87794a0f..56f7a3fc2 100644
--- a/tools/pnnx/src/CMakeLists.txt
+++ b/tools/pnnx/src/CMakeLists.txt
@@ -360,6 +360,7 @@ set(pnnx_pass_level5_SRCS
     pass_level5/fuse_multiheadattention.cpp
     pass_level5/fuse_scaled_dot_product_attention.cpp
     pass_level5/fuse_select_to_unbind.cpp
+    pass_level5/fuse_silu.cpp
     pass_level5/fuse_slice_copy.cpp
     pass_level5/fuse_slice_indices.cpp
     pass_level5/fuse_slice_to_tensor_split.cpp
@@ -372,7 +373,6 @@ set(pnnx_pass_level5_SRCS
     pass_level5/fuse_static_instancenorm.cpp
     pass_level5/fuse_static_layernorm.cpp
     pass_level5/fuse_static_linear.cpp
-    pass_level5/fuse_swish.cpp
     pass_level5/normalize_einsum_equation.cpp
     pass_level5/unroll_rnn_op.cpp
 )
diff --git a/tools/pnnx/src/pass_level2/F_batch_norm.cpp b/tools/pnnx/src/pass_level2/F_batch_norm.cpp
index 83efcdc4e..e942878be 100644
--- a/tools/pnnx/src/pass_level2/F_batch_norm.cpp
+++ b/tools/pnnx/src/pass_level2/F_batch_norm.cpp
@@ -100,11 +100,19 @@ pnnx.Output             output      1 0 out
     {
         return "F.batch_norm";
     }
+
+    void write(Operator* op, const std::map<std::string, Parameter>& captured_params, const std::map<std::string, Attribute>& captured_attrs) const
+    {
+        GraphRewriterPass::write(op, captured_params, captured_attrs);
+
+        std::swap(op->inputs[1], op->inputs[3]);
+        std::swap(op->inputs[2], op->inputs[4]);
+    }
 };
 
 REGISTER_GLOBAL_PNNX_GRAPH_REWRITER_PASS(F_batch_norm_onnx, 10)
 
-class F_batch_norm_onnx_1 : public GraphRewriterPass
+class F_batch_norm_onnx_1 : public F_batch_norm_onnx
 {
 public:
     const char* match_pattern_graph() const
@@ -120,11 +128,6 @@ BatchNormalization      op_0        5 1 input weight bias running_mean running_v
 pnnx.Output             output      1 0 out
 )PNNXIR";
     }
-
-    const char* type_str() const
-    {
-        return "F.batch_norm";
-    }
 };
 
 REGISTER_GLOBAL_PNNX_GRAPH_REWRITER_PASS(F_batch_norm_onnx_1, 10)
diff --git a/tools/pnnx/src/pass_level5.cpp b/tools/pnnx/src/pass_level5.cpp
index 4a1a2760a..4d483267d 100644
--- a/tools/pnnx/src/pass_level5.cpp
+++ b/tools/pnnx/src/pass_level5.cpp
@@ -46,6 +46,7 @@
 #include "pass_level5/fuse_pad_conv2d.h"
 #include "pass_level5/fuse_scaled_dot_product_attention.h"
 #include "pass_level5/fuse_select_to_unbind.h"
+#include "pass_level5/fuse_silu.h"
 #include "pass_level5/fuse_slice_copy.h"
 #include "pass_level5/fuse_slice_indices.h"
 #include "pass_level5/fuse_slice_to_tensor_split.h"
@@ -58,7 +59,6 @@
 #include "pass_level5/fuse_static_instancenorm.h"
 #include "pass_level5/fuse_static_layernorm.h"
 #include "pass_level5/fuse_static_linear.h"
-#include "pass_level5/fuse_swish.h"
 #include "pass_level5/normalize_einsum_equation.h"
 #include "pass_level4/dead_code_elimination.h"
 #include "pass_level4/canonicalize.h"
@@ -144,7 +144,7 @@ void pass_level5(Graph& g, const std::set<std::string>& foldable_constants, cons
     fuse_multiheadattention(g);
     fuse_scaled_dot_product_attention(g);
 
-    fuse_swish(g);
+    fuse_silu(g);
 
     fuse_index_expression(g);
 
diff --git a/tools/pnnx/src/pass_level5/fuse_swish.cpp b/tools/pnnx/src/pass_level5/fuse_silu.cpp
similarity index 86%
rename from tools/pnnx/src/pass_level5/fuse_swish.cpp
rename to tools/pnnx/src/pass_level5/fuse_silu.cpp
index dc038de3d..c7d7e10eb 100644
--- a/tools/pnnx/src/pass_level5/fuse_swish.cpp
+++ b/tools/pnnx/src/pass_level5/fuse_silu.cpp
@@ -12,13 +12,13 @@
 // CONDITIONS OF ANY KIND, either express or implied. See the License for the
 // specific language governing permissions and limitations under the License.
 
-#include "fuse_swish.h"
+#include "fuse_silu.h"
 
 #include "pass_level2.h"
 
 namespace pnnx {
 
-class fuse_swish_pass : public GraphRewriterPass
+class fuse_silu_pass : public GraphRewriterPass
 {
 public:
     const char* match_pattern_graph() const
@@ -34,16 +34,16 @@ pnnx.Output             output      1 0 out
 
     const char* type_str() const
     {
-        return "F.swish";
+        return "F.silu";
     }
 
     const char* name_str() const
     {
-        return "swish";
+        return "silu";
     }
 };
 
-class fuse_swish_pass_1 : public fuse_swish_pass
+class fuse_silu_pass_1 : public fuse_silu_pass
 {
 public:
     const char* match_pattern_graph() const
@@ -58,10 +58,10 @@ pnnx.Output             output      1 0 out
     }
 };
 
-void fuse_swish(Graph& graph)
+void fuse_silu(Graph& graph)
 {
-    fuse_swish_pass a;
-    fuse_swish_pass_1 b;
+    fuse_silu_pass a;
+    fuse_silu_pass_1 b;
     int opindex = 0;
 
     pnnx_graph_rewrite(graph, &a, opindex);
diff --git a/tools/pnnx/src/pass_level5/fuse_swish.h b/tools/pnnx/src/pass_level5/fuse_silu.h
similarity index 96%
rename from tools/pnnx/src/pass_level5/fuse_swish.h
rename to tools/pnnx/src/pass_level5/fuse_silu.h
index 7c31d6f98..dde78e60e 100644
--- a/tools/pnnx/src/pass_level5/fuse_swish.h
+++ b/tools/pnnx/src/pass_level5/fuse_silu.h
@@ -16,6 +16,6 @@
 
 namespace pnnx {
 
-void fuse_swish(Graph& graph);
+void fuse_silu(Graph& graph);
 
 } // namespace pnnx