fix prefill classed mode. (#1134)

Co-authored-by: wangzaijun <wangzaijun@sensetime.com>

Author: hiworldwzj

lightllm/server/router/model_infer/mode_backend/chunked_prefill/impl.py

@@ -46,6 +46,8 @@ def __init__(self) -> None:
         else:
             self.prefill = self.prefill_normal
             self.decode = self.decode_normal
+
+        self.classed_req_strict_prefill = False
         return
 
     def infer_loop(self):

lightllm/server/router/model_infer/mode_backend/dp_backend/impl.py

@@ -58,6 +58,8 @@ def __init__(self) -> None:
                 self.decode = self.decode_overlap
             else:
                 self.decode = self.decode_normal
+
+        self.classed_req_strict_prefill = False
         return
 
     def infer_loop(self):