diff --git a/mace/python/tools/converter_tool/tensorflow_converter.py b/mace/python/tools/converter_tool/tensorflow_converter.py
index 0f5f3e21fb4b20cb6230f96b22695136bcd6415e..e7ff180c5fc17f046bfdf95b18d8fcb15ed2f7da 100644
--- a/mace/python/tools/converter_tool/tensorflow_converter.py
+++ b/mace/python/tools/converter_tool/tensorflow_converter.py
@@ -318,7 +318,16 @@ class TensorflowConverter(base_converter.ConverterInterface):
             else:
                 mace_check(False, "data type %s not supported" % dtype)
         except ValueError:
-            data_type_arg.i = self._option.data_type
+            try:
+                dtype = tf_op.get_attr('SrcT')
+                if dtype == tf.int32 or dtype == tf.bool:
+                    data_type_arg.i = mace_pb2.DT_INT32
+                elif dtype == tf.float32:
+                    data_type_arg.i = self._option.data_type
+                else:
+                    mace_check(False, "data type %s not supported" % dtype)
+            except ValueError:
+                data_type_arg.i = self._option.data_type
 
         ConverterUtil.add_data_format_arg(op, DataFormat.NHWC)
 
diff --git a/tools/sh_commands.py b/tools/sh_commands.py
index 92752c5790612791c17595b0fdb83a9fa486aee0..97d66ca4a5fdde77a28a79e12613f1461bd28ebc 100644
--- a/tools/sh_commands.py
+++ b/tools/sh_commands.py
@@ -773,10 +773,13 @@ def tuning_run(abi,
             (phone_data_dir, os.path.basename(opencl_binary_file)),
         ])
         adb_cmd = ' '.join(adb_cmd)
-        adb_cmd_file = "%s/%s" % (phone_data_dir, 'cmd_file')
-        with open('/tmp/mace_cmd_file', 'w') as cmd_file:
+        cmd_file_name = "%s-%s-%s" % ('cmd_file', model_tag, str(time.time()))
+        adb_cmd_file = "%s/%s" % (phone_data_dir, cmd_file_name)
+        tmp_cmd_file = "%s/%s" % ('/tmp', cmd_file_name)
+        with open(tmp_cmd_file, 'w') as cmd_file:
             cmd_file.write(adb_cmd)
-        adb_push('/tmp/mace_cmd_file', adb_cmd_file, serialno)
+        adb_push(tmp_cmd_file, adb_cmd_file, serialno)
+        os.remove(tmp_cmd_file)
 
         sh.adb(
             "-s",
@@ -790,7 +793,17 @@ def tuning_run(abi,
         stdout = "".join(stdout_buff)
         if not stdout_success(stdout):
             common.MaceLogger.error("Mace Run", "Mace run failed.")
+
+        sh.adb(
+            "-s",
+            serialno,
+            "shell",
+            "rm",
+            adb_cmd_file,
+            _fg=True)
+
         print("Running finished!\n")
+
         return stdout
 
 
@@ -1190,10 +1203,13 @@ def benchmark_model(abi,
             (phone_data_dir, os.path.basename(opencl_binary_file)),
         ]
         adb_cmd = ' '.join(adb_cmd)
-        adb_cmd_file = "%s/%s" % (phone_data_dir, 'cmd_file')
-        with open('/tmp/mace_cmd_file', 'w') as cmd_file:
+        cmd_file_name = "%s-%s-%s" % ('cmd_file', model_tag, str(time.time()))
+        adb_cmd_file = "%s/%s" % (phone_data_dir, cmd_file_name)
+        tmp_cmd_file = "%s/%s" % ('/tmp', cmd_file_name)
+        with open(tmp_cmd_file, 'w') as cmd_file:
             cmd_file.write(adb_cmd)
-        adb_push('/tmp/mace_cmd_file', adb_cmd_file, serialno)
+        adb_push(tmp_cmd_file, adb_cmd_file, serialno)
+        os.remove(tmp_cmd_file)
 
         sh.adb(
             "-s",
@@ -1203,6 +1219,14 @@ def benchmark_model(abi,
             adb_cmd_file,
             _fg=True)
 
+        sh.adb(
+            "-s",
+            serialno,
+            "shell",
+            "rm",
+            adb_cmd_file,
+            _fg=True)
+
     print("Benchmark done!\n")