diff --git a/paddle/framework/tensor.h b/paddle/framework/tensor.h
index 73eedd7375ebd5357d565cfbc9b00ab7964253fc..f777661a1cde73036c91ba163406ce833ffa55f3 100644
--- a/paddle/framework/tensor.h
+++ b/paddle/framework/tensor.h
@@ -30,7 +30,7 @@ class Tensor {
   template <typename T>
   const T* data() const {
     PADDLE_ENFORCE(holder_ != nullptr,
-                   "Tensor::data must be called after Tensor::mutable_data");
+                   "Tensor::data must be called after Tensor::mutable_data.");
     return static_cast<const T*>(holder_->Ptr());
   }
 
diff --git a/paddle/framework/tensor_test.cc b/paddle/framework/tensor_test.cc
index f76a31e921ab2819c0001d4e906c4acf113f2620..727d81f8d72e39ec564c42a48bf7ff64204adfff 100644
--- a/paddle/framework/tensor_test.cc
+++ b/paddle/framework/tensor_test.cc
@@ -23,7 +23,7 @@ TEST(Tensor, ASSERT) {
     const double* p __attribute__((unused)) = cpu_tensor.data<double>();
   } catch (paddle::framework::EnforceNotMet err) {
     caught = true;
-    std::string msg = "Tensor::data must be called after Tensor::mutable_data";
+    std::string msg = "Tensor::data must be called after Tensor::mutable_data.";
     const char* what = err.what();
     for (size_t i = 0; i < msg.length(); ++i) {
       ASSERT_EQ(what[i], msg[i]);
@@ -82,4 +82,4 @@ TEST(Tensor, MutableData) {
     EXPECT_EQ(p1, p2);
   }
 }
-*/
\ No newline at end of file
+*/