diff --git a/rvv-intrinsic-generator/rvv_intrinsic_gen/generator.py b/rvv-intrinsic-generator/rvv_intrinsic_gen/generator.py
index 1b3136298..1f4f9ada9 100644
--- a/rvv-intrinsic-generator/rvv_intrinsic_gen/generator.py
+++ b/rvv-intrinsic-generator/rvv_intrinsic_gen/generator.py
@@ -43,7 +43,7 @@ def write_title(self, text, link):
     raise NotImplementedError
 
   def gen_prologue(self):
-    raise NotImplementedError
+    pass
 
   def inst_group_prologue(self):
     raise NotImplementedError