diff --git a/fluid/ce_demo/mnist/.run_ce.sh b/fluid/ce_demo/mnist/.run_ce.sh
new file mode 100755
index 0000000000000000000000000000000000000000..d6ccf429b52da1ff26ac02df5af287461a823a98
--- /dev/null
+++ b/fluid/ce_demo/mnist/.run_ce.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# This file is only used for continuous evaluation.
+
+rm -rf *_factor.txt
+model_file='model.py'
+python $model_file --batch_size 128 --pass_num 5 --device CPU | python _ce.py
diff --git a/fluid/ce_demo/mnist/_ce.py b/fluid/ce_demo/mnist/_ce.py
new file mode 100644
index 0000000000000000000000000000000000000000..0bc4b02ba535e7687bfc6efd428653c3f791d8f9
--- /dev/null
+++ b/fluid/ce_demo/mnist/_ce.py
@@ -0,0 +1,58 @@
+# this file is only used for continuous evaluation test!
+
+import os
+import sys
+sys.path.append(os.environ['ceroot'])
+from kpi import CostKpi, DurationKpi, AccKpi
+
+# NOTE kpi.py should shared in models in some way!!!!
+
+train_cost_kpi = CostKpi('train_cost', 0.02, actived=True)
+test_acc_kpi = AccKpi('test_acc', 0.005, actived=True)
+train_duration_kpi = DurationKpi('train_duration', 0.06, actived=True)
+train_acc_kpi = AccKpi('train_acc', 0.005, actived=True)
+
+tracking_kpis = [
+    train_acc_kpi,
+    train_cost_kpi,
+    test_acc_kpi,
+    train_duration_kpi,
+]
+
+def parse_log(log):
+    '''
+    This method should be implemented by model developers.
+
+    The suggestion:
+
+    each line in the log should be key, value, for example:
+
+    "
+    train_cost\t1.0
+    test_cost\t1.0
+    train_cost\t1.0
+    train_cost\t1.0
+    train_acc\t1.2
+    "
+    '''
+    for line in log.split():
+        fs = line.strip().split('\t')
+        if len(fs) == 2:
+            kpi_name = fs[0]
+            kpi_value = float(fs[1])
+            yield kpi_name, kpi_value
+
+
+def log_to_ce(log):
+    kpi_tracker = {}
+    for kpi in tracking_kpis:
+        kpi_tracker[kpi.name] = kpi
+
+    for (kpi_name, kpi_value) in parse_log(log):
+        kpi_tracker[kpi_name].add_record(kpi_value)
+
+
+if __name__ == '__main__':
+    log = sys.stdin.read()
+    log_to_ce(log) 
+    
diff --git a/fluid/mnist/model.py b/fluid/ce_demo/mnist/model.py
similarity index 100%
rename from fluid/mnist/model.py
rename to fluid/ce_demo/mnist/model.py
diff --git a/fluid/ce_demo/mnist_directory_in_ce/latest_kpis/some_kpi.txt b/fluid/ce_demo/mnist_directory_in_ce/latest_kpis/some_kpi.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/fluid/ce_demo/mnist_directory_in_ce/run.xsh b/fluid/ce_demo/mnist_directory_in_ce/run.xsh
new file mode 100755
index 0000000000000000000000000000000000000000..0ea19f9d71e211bd545cd84cdeff687af1667f53
--- /dev/null
+++ b/fluid/ce_demo/mnist_directory_in_ce/run.xsh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+cd $mnist_model_in_models
+
+./.run_ce.sh
diff --git a/fluid/mnist/.run.sh b/fluid/mnist/.run.sh
deleted file mode 100755
index ec798ccec9f7d619534b79e6786996125245e2b1..0000000000000000000000000000000000000000
--- a/fluid/mnist/.run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-
-rm -rf *_factor.txt
-model_file='model.py'
-python $model_file --batch_size 128 --pass_num 5 --device CPU