diff --git a/lmdeploy/serve/turbomind/triton_models/postprocessing/config.pbtxt b/lmdeploy/serve/turbomind/triton_models/postprocessing/config.pbtxt
index 43b7c33c6..a4c3fd104 100644
--- a/lmdeploy/serve/turbomind/triton_models/postprocessing/config.pbtxt
+++ b/lmdeploy/serve/turbomind/triton_models/postprocessing/config.pbtxt
@@ -23,7 +23,7 @@ output [
 
 instance_group [
     {
-        count: 1
+        count: 16
         kind: KIND_CPU
     }
 ]