diff --git a/paddle/fluid/pybind/op_function_generator.h b/paddle/fluid/pybind/op_function_generator.h
index 2bfc16c7d5b0fd60768b798f8b1fcd06d71711b2..75175958978ee557b012d850b12f13d7c1d9588b 100644
--- a/paddle/fluid/pybind/op_function_generator.h
+++ b/paddle/fluid/pybind/op_function_generator.h
@@ -36,6 +36,8 @@ std::map<std::string, std::set<std::string>> op_ins_map = {
     {"gru_unit", {"Input", "HiddenPrev", "Weight", "Bias"}},
     {"label_smooth", {"X", "PriorDist"}},
     {"assign", {"X"}},
+    {"crop", {"X", "Y", "Offsets"}},
+    {"crop_tensor", {"X", "Shape", "Offsets"}},
     {"reshape2", {"X", "Shape"}},
     {"expand", {"X", "ExpandTimes"}},
     {"slice",
@@ -55,6 +57,7 @@ std::map<std::string, std::set<std::string>> op_ins_map = {
     {"repeat_interleave", {"X", "RepeatsTensor"}},
     {"roi_pool", {"X", "ROIs", "RoisNum"}},
     {"roi_align", {"X", "ROIs", "RoisNum"}},
+    {"prroi_pool", {"X", "ROIs", "BatchRoINums"}},
     {"psroi_pool", {"X", "ROIs", "RoisNum"}},
     {"collect_fpn_proposals",
      {"MultiLevelRois", "MultiLevelScores", "MultiLevelRoIsNum"}},
diff --git a/python/paddle/fluid/dygraph/tracer.py b/python/paddle/fluid/dygraph/tracer.py
index e1fabf9aeda1004337caf9dcacc94c2264dd4919..747fe7d32cb654f9e7d3d434323e0bf6148da62a 100644
--- a/python/paddle/fluid/dygraph/tracer.py
+++ b/python/paddle/fluid/dygraph/tracer.py
@@ -110,6 +110,9 @@ class Tracer(core.Tracer):
 
         arg_list = []
         for i in range(len(op_args)):
+            # initialized with None
+            arg_to_append = None
+
             arg_name = op_args[i]
             arg_type = op_args_type[i]
             if arg_name in inputs.keys():
@@ -117,14 +120,20 @@ class Tracer(core.Tracer):
             elif arg_name in outputs.keys():
                 arg_to_append = outputs[arg_name]
             else:
-                if "Num" in arg_name:
+                if "Num" in arg_name[-3:]:
                     # Remove "Num" suffix to get out_name
                     out_name = arg_name[:-3]
                     assert out_name in outputs.keys()
                     num_outs = len(outputs[out_name])
                     arg_to_append = num_outs
-                else:
-                    arg_to_append = None
+                # NOTE(dev): For MasterParam/MasterParamOut in optimzer op
+                elif "Var" in arg_name[-3:]:
+                    out_name = arg_name[:-3]
+                    print(out_name)
+                    if out_name in outputs.keys():
+                        arg_to_append = outputs[out_name]
+                    elif out_name in inputs.keys():
+                        arg_to_append = inputs[out_name]
 
             if arg_to_append is None:
                 arg_list.append(arg_to_append)