diff --git a/python/paddle/v2/framework/tests/test_add_two_op.py b/python/paddle/v2/framework/tests/test_add_two_op.py
index a06d7a78ecf838a49e5f2808d3686c6b92faa8ce..73b373490956c741f06be2473e70592dc06fbc25 100644
--- a/python/paddle/v2/framework/tests/test_add_two_op.py
+++ b/python/paddle/v2/framework/tests/test_add_two_op.py
@@ -8,8 +8,8 @@ class TestAddOp(unittest.TestCase):
 
     def setUp(self):
         self.type = "add_two"
-        self.X = numpy.random.random((342, 345)).astype("float32")
-        self.Y = numpy.random.random((342, 345)).astype("float32")
+        self.X = numpy.random.random((102, 105)).astype("float32")
+        self.Y = numpy.random.random((102, 105)).astype("float32")
         self.Out = self.X + self.Y
 
 
diff --git a/python/paddle/v2/framework/tests/test_mul_op.py b/python/paddle/v2/framework/tests/test_mul_op.py
index 0a87e66cd03af1bf84be8ffe111e4a8c3a24d6dc..e1ac66d3a4d23d617f7c5a4d97d070b2660954c8 100644
--- a/python/paddle/v2/framework/tests/test_mul_op.py
+++ b/python/paddle/v2/framework/tests/test_mul_op.py
@@ -8,8 +8,8 @@ class TestMulOp(unittest.TestCase):
 
     def setUp(self):
         self.type = "mul"
-        self.X = np.random.random((32, 784)).astype("float32")
-        self.Y = np.random.random((784, 100)).astype("float32")
+        self.X = np.random.random((32, 84)).astype("float32")
+        self.Y = np.random.random((84, 100)).astype("float32")
         self.Out = np.dot(self.X, self.Y)
 
 
diff --git a/python/paddle/v2/framework/tests/test_rowwise_add_op.py b/python/paddle/v2/framework/tests/test_rowwise_add_op.py
index ef1514983c03f822f84b85437d1cfe653b6a1a2e..04abc14ee198fe4e2307e009c696a2b40ec271b6 100644
--- a/python/paddle/v2/framework/tests/test_rowwise_add_op.py
+++ b/python/paddle/v2/framework/tests/test_rowwise_add_op.py
@@ -8,8 +8,8 @@ class TestRowwiseAddOp(unittest.TestCase):
 
     def setUp(self):
         self.type = "rowwise_add"
-        self.X = np.random.random((32, 784)).astype("float32")
-        self.b = np.random.random(784).astype("float32")
+        self.X = np.random.random((32, 84)).astype("float32")
+        self.b = np.random.random(84).astype("float32")
         self.Out = np.add(self.X, self.b)
 
 
diff --git a/python/paddle/v2/framework/tests/test_sgd_op.py b/python/paddle/v2/framework/tests/test_sgd_op.py
index 405d73b224fa153e50b4ec408a921f2bdaab46aa..ca03cc11abe2ceb31b33a87797aa752943dd2a7d 100644
--- a/python/paddle/v2/framework/tests/test_sgd_op.py
+++ b/python/paddle/v2/framework/tests/test_sgd_op.py
@@ -8,8 +8,8 @@ class TestSGD(unittest.TestCase):
 
     def setUp(self):
         self.type = "sgd"
-        self.param = numpy.random.random((342, 345)).astype("float32")
-        self.grad = numpy.random.random((342, 345)).astype("float32")
+        self.param = numpy.random.random((102, 105)).astype("float32")
+        self.grad = numpy.random.random((102, 105)).astype("float32")
         self.learning_rate = 0.1
         self.param_out = self.param - self.learning_rate * self.grad