diff --git a/python/paddle/fluid/debuger.py b/python/paddle/fluid/debuger.py
index 7b4afa9bf65e1369329cd4648c1f5c4bd8fa8357..1c56064a1e8bdc5d975837cb5a75a40d557765ad 100644
--- a/python/paddle/fluid/debuger.py
+++ b/python/paddle/fluid/debuger.py
@@ -16,6 +16,7 @@ import sys
 import re
 from graphviz import GraphPreviewGenerator
 import proto.framework_pb2 as framework_pb2
+from google.protobuf import text_format
 
 _vartype2str_ = [
     "UNK",
@@ -100,7 +101,7 @@ def repr_var(vardesc):
 
 def pprint_program_codes(program_desc):
     reprs = []
-    for block_idx in range(program_desc.num_blocks()):
+    for block_idx in range(program_desc.desc.num_blocks()):
         block_desc = program_desc.block(block_idx)
         block_repr = pprint_block_codes(block_desc)
         reprs.append(block_repr)
@@ -127,7 +128,7 @@ def pprint_block_codes(block_desc, show_backward=False):
 
     if type(block_desc) is not framework_pb2.BlockDesc:
         block_desc = framework_pb2.BlockDesc.FromString(
-            block_desc.serialize_to_string())
+            block_desc.desc.serialize_to_string())
     var_reprs = []
     op_reprs = []
     for var in block_desc.vars:
@@ -237,13 +238,13 @@ def draw_block_graphviz(block, highlights=None, path="./temp.dot"):
     # draw parameters and args
     vars = {}
     for var in desc.vars:
-        shape = [str(i) for i in var.lod_tensor.tensor.dims]
-        if not shape:
-            shape = ['null']
+        # TODO(gongwb): format the var.type
         # create var
         if var.persistable:
             varn = graph.add_param(
-                var.name, var.type, shape, highlight=need_highlight(var.name))
+                var.name,
+                str(var.type).replace("\n", "<br />", 1),
+                highlight=need_highlight(var.name))
         else:
             varn = graph.add_arg(var.name, highlight=need_highlight(var.name))
         vars[var.name] = varn
@@ -268,4 +269,4 @@ def draw_block_graphviz(block, highlights=None, path="./temp.dot"):
         for var in op.outputs:
             add_op_link_var(opn, var, True)
 
-    graph(path, show=True)
+    graph(path, show=False)
diff --git a/python/paddle/fluid/graphviz.py b/python/paddle/fluid/graphviz.py
index b8d21344fc8f65f4025f28a195dab2d371b30292..125b4efa9d476e561bd78d0365cd92bbf7e66605 100644
--- a/python/paddle/fluid/graphviz.py
+++ b/python/paddle/fluid/graphviz.py
@@ -83,7 +83,7 @@ class Graph(object):
         file = open(dot_path, 'w')
         file.write(self.__str__())
         image_path = os.path.join(
-            os.path.dirname(__file__), dot_path[:-3] + "pdf")
+            os.path.dirname(dot_path), dot_path[:-3] + "pdf")
         cmd = ["dot", "-Tpdf", dot_path, "-o", image_path]
         subprocess.Popen(
             cmd,
@@ -199,7 +199,7 @@ class GraphPreviewGenerator(object):
         else:
             self.graph.show(path)
 
-    def add_param(self, name, data_type, shape, highlight=False):
+    def add_param(self, name, data_type, highlight=False):
         label = '\n'.join([
             '<<table cellpadding="5">',
             '  <tr>',
@@ -214,11 +214,6 @@ class GraphPreviewGenerator(object):
             str(data_type),
             '    </td>'
             '  </tr>',
-            '  <tr>',
-            '    <td>',
-            '[%s]' % 'x'.join(shape),
-            '    </td>'
-            '  </tr>',
             '</table>>',
         ])
         return self.graph.node(
diff --git a/python/paddle/fluid/tests/unittests/test_debugger.py b/python/paddle/fluid/tests/unittests/test_debugger.py
index 2b7bbf9218f9b8fd8f5b29ac3cbc2f9680f471eb..67b03f635b6f8a3003efabe5425325080d47f61c 100644
--- a/python/paddle/fluid/tests/unittests/test_debugger.py
+++ b/python/paddle/fluid/tests/unittests/test_debugger.py
@@ -51,7 +51,9 @@ class TestDebugger(unittest.TestCase):
             outputs={"Out": mul_out},
             attrs={"x_num_col_dims": 1})
 
-        print(debuger.pprint_program_codes(p.desc))
+        print(debuger.pprint_program_codes(p))
+
+        debuger.draw_block_graphviz(p.block(0), path="./test.dot")
 
 
 if __name__ == '__main__':