diff --git a/all_tests.cfg.erb b/all_tests.cfg.erb
new file mode 100755
--- /dev/null
+++ b/all_tests.cfg.erb
@@ -0,0 +1,13 @@
+problem do
+  num_tests <%= num_testcases %>
+  full_score <%= num_testcases*10 %>
+  time_limit_each <%= options[:time_limit] %>
+  mem_limit_each <%= options[:mem_limit] %>
+  score_each 10
+
+<% 1.upto(num_testcase) do |i| %>
+  run <%= i %>
+    tests <%= i %>
+  end
+<% end %>
+end
diff --git a/grader b/grader
--- a/grader
+++ b/grader
@@ -98,12 +98,14 @@
 current_dir = `pwd`
 
 talk 'Grader queue'
-task = Task.find(:first, :order => 'created_at')
-if task!=nil 
-  grade(task.submission_id)
-  task.destroy
-else
-  puts "No job"
+while true
+  task = Task.find(:first, :order => 'created_at')
+  if task!=nil 
+    grade(task.submission_id)
+    task.destroy
+  else
+    sleep(1)
+  end
 end
 
 
diff --git a/import_problem b/import_problem
--- a/import_problem
+++ b/import_problem
@@ -70,19 +70,10 @@
 # generating all_tests.cfg
 puts "generating testcase config file"
 
-template = %q{
-problem do
-  num_tests <%= num_testcases %>
-  full_score <%= num_testcases*10 %>
-  time_limit_each <%= options[:time_limit] %>
-  mem_limit_each <%= options[:mem_limit] %>
-  score_each 10
-end
-}
-
+template = File.open("all_tests.cfg.erb").readlines
 all_test_cfg = ERB.new(template)
 
-cfg_file = File.open("#{problem}/test_cases/all_test.cfg","w")
+cfg_file = File.open("#{problem}/test_cases/all_tests.cfg","w")
 cfg_file.puts all_test_cfg.result
 cfg_file.close
 
diff --git a/std-script/judge b/std-script/judge
--- a/std-script/judge
+++ b/std-script/judge
@@ -71,7 +71,7 @@
 compile_message = `cat compiler_message`
 compile_message.strip!
 execute("mv compiler_message #{test_result_dir}", "Cannot move the compiler message to #{test_result_dir}.")
-if compile_message != ""
+if !FileTest.exist?("a.out")
   puts "Cannot compile the source code. See message in #{test_result_dir}/compile_message"
   exit(127)
 else