diff --git a/paddleslim/common/controller_server.py b/paddleslim/common/controller_server.py
index ac24df86030aae8cb286452b6bd6eeb7b5c80741..e4705a887727bf444b3ba285165d27df59a1ed57 100644
--- a/paddleslim/common/controller_server.py
+++ b/paddleslim/common/controller_server.py
@@ -117,8 +117,6 @@ class ControllerServer(object):
                     reward = messages[2]
                     tokens = [int(token) for token in tokens.split(",")]
                     self._controller.update(tokens, float(reward))
-                    #tokens = self._controller.next_tokens()
-                    #tokens = ",".join([str(token) for token in tokens])
                     response = "ok"
                     conn.send(response.encode())
                     _logger.debug("send message to {}: [{}]".format(addr,
diff --git a/paddleslim/prune/auto_pruner.py b/paddleslim/prune/auto_pruner.py
index b144251a0a9a294094f7101f30958486abcf0543..fba8c11170f3fbf2eddbe15942dc642ad448658b 100644
--- a/paddleslim/prune/auto_pruner.py
+++ b/paddleslim/prune/auto_pruner.py
@@ -96,8 +96,10 @@ class AutoPruner(object):
         self._pruner = Pruner()
         if self._pruned_flops:
             self._base_flops = flops(program)
-            _logger.info("AutoPruner - base flops: {};".format(
-                self._base_flops))
+            self._max_flops = self._base_flops * (1 - self._pruned_flops)
+            _logger.info(
+                "AutoPruner - base flops: {}; pruned_flops: {}; max_flops: {}".
+                format(self._base_flops, self._pruned_flops, self._max_flops))
         if self._pruned_latency:
             self._base_latency = latency(program)
 
@@ -160,8 +162,15 @@ class AutoPruner(object):
             ratios,
             place=self._place,
             only_graph=True)
-        return flops(pruned_program) < self._base_flops * (
-            1 - self._pruned_flops)
+        current_flops = flops(pruned_program)
+        result = current_flops < self._max_flops
+        if not result:
+            _logger.info("Failed try ratios: {}; flops: {}; max_flops: {}".
+                         format(ratios, current_flops, self._max_flops))
+        else:
+            _logger.info("Success try ratios: {}; flops: {}; max_flops: {}".
+                         format(ratios, current_flops, self._max_flops))
+        return result
 
     def prune(self, program, eval_program=None):
         """