diff --git a/scripts/mytester.py b/scripts/mytester.py
index 5581259..e034098 100644
--- a/scripts/mytester.py
+++ b/scripts/mytester.py
@@ -2,6 +2,8 @@ import argparse
 import re
 import os
 import subprocess
+import time
+from functools import wraps
 from pretty_print import Print_C
 
 # "([1-4]\d|51).*\.sy"
@@ -19,7 +21,15 @@ def case_collector(re_selector, dir):
             testcases.append(os.path.splitext(filename)[0])
     return sorted(testcases)
 
-
+def func_timer(function):
+    @wraps(function)
+    def function_timer(*args, **kwargs):
+        t0 = time.time()
+        result = function(*args, **kwargs)
+        t1 = time.time()
+        print('[Time elapsed {time:.3f}s]'.format(time=t1 - t0))
+        return result
+    return function_timer
 
 class Compiler:
     def __init__(self, scheme, target_dir, testcases):
@@ -145,7 +155,7 @@ class Compiler:
             if self.count_error >= error_tolerance:
                 Print_C.print_error(f"Test script stopped due to {self.count_error} errors")
                 return
-
+    @func_timer
     def run_case(self, testcase, kase=0):
         bin = self.bin_template.format(testcase=testcase)
         if not os.path.exists(bin):