diff --git a/paddle/fluid/operators/metrics/precision_recall_op.cc b/paddle/fluid/operators/metrics/precision_recall_op.cc
index 054f8c70cc2130431bfc4e903da67b94155863a6..ad7a485dbd0b3287e129dbaeadae63893057a483 100644
--- a/paddle/fluid/operators/metrics/precision_recall_op.cc
+++ b/paddle/fluid/operators/metrics/precision_recall_op.cc
@@ -22,18 +22,24 @@ class PrecisionRecallOp : public framework::OperatorWithKernel {
   using framework::OperatorWithKernel::OperatorWithKernel;
 
   void InferShape(framework::InferShapeContext *ctx) const override {
-    PADDLE_ENFORCE(ctx->HasInput("MaxProbs"),
-                   "Input(MaxProbs) should not be null.");
-    PADDLE_ENFORCE(ctx->HasInput("Indices"),
-                   "Input(Indices) should not be null.");
-    PADDLE_ENFORCE(ctx->HasInput("Labels"),
-                   "Input(Labels) should not be null.");
-    PADDLE_ENFORCE(ctx->HasOutput("BatchMetrics"),
-                   "Output(BatchMetrics) should not be null.");
-    PADDLE_ENFORCE(ctx->HasOutput("AccumMetrics"),
-                   "Output(AccumMetrics) should not be null.");
-    PADDLE_ENFORCE(ctx->HasOutput("AccumStatesInfo"),
-                   "Output(AccumStatesInfo) should not be null.");
+    PADDLE_ENFORCE_EQ(ctx->HasInput("MaxProbs"), true,
+                      platform::errors::InvalidArgument(
+                          "Input(MaxProbs) should not be null."));
+    PADDLE_ENFORCE_EQ(ctx->HasInput("Indices"), true,
+                      platform::errors::InvalidArgument(
+                          "Input(Indices) should not be null."));
+    PADDLE_ENFORCE_EQ(
+        ctx->HasInput("Labels"), true,
+        platform::errors::InvalidArgument("Input(Labels) should not be null."));
+    PADDLE_ENFORCE_EQ(ctx->HasOutput("BatchMetrics"), true,
+                      platform::errors::InvalidArgument(
+                          "Output(BatchMetrics) should not be null."));
+    PADDLE_ENFORCE_EQ(ctx->HasOutput("AccumMetrics"), true,
+                      platform::errors::InvalidArgument(
+                          "Output(AccumMetrics) should not be null."));
+    PADDLE_ENFORCE_EQ(ctx->HasOutput("AccumStatesInfo"), true,
+                      platform::errors::InvalidArgument(
+                          "Output(AccumStatesInfo) should not be null."));
 
     int64_t cls_num =
         static_cast<int64_t>(ctx->Attrs().Get<int>("class_number"));
@@ -41,38 +47,48 @@ class PrecisionRecallOp : public framework::OperatorWithKernel {
     auto labels_dims = ctx->GetInputDim("Labels");
 
     if (ctx->IsRuntime()) {
-      PADDLE_ENFORCE_EQ(max_probs_dims[1], 1,
-                        "Each instance contains one max probability, so the "
-                        "shape of Input(MaxProbs) should be [batch_size, 1].");
       PADDLE_ENFORCE_EQ(
-          ctx->GetInputDim("Indices"), max_probs_dims,
-          "The shape of Input(Indices) should bes same with max_probs_dims");
+          max_probs_dims[1], 1,
+          platform::errors::InvalidArgument(
+              "Each instance contains one max probability, so the shape of "
+              "Input(MaxProbs) should be [batch_size, 1]. But received (%d)",
+              max_probs_dims[1]));
+      PADDLE_ENFORCE_EQ(ctx->GetInputDim("Indices"), max_probs_dims,
+                        platform::errors::InvalidArgument(
+                            "The shape of Input(Indices) should bes same with "
+                            "max_probs_dims, But received (%d) != (%d)",
+                            ctx->GetInputDim("Indices"), max_probs_dims));
+      PADDLE_ENFORCE_EQ(max_probs_dims[0], labels_dims[0],
+                        platform::errors::InvalidArgument(
+                            "The 1st dimension of Input(MaxProbs) and "
+                            "Input(Labels) both are batch_size and the shape "
+                            "should be the same. But received (%d) != (%d)",
+                            max_probs_dims[0], labels_dims[0]));
       PADDLE_ENFORCE_EQ(
-          max_probs_dims[0], labels_dims[0],
-          "The 1st dimension of Input(MaxProbs) and "
-          "Input(Labels) both are batch_size and the shape should "
-          "be the same.");
-      PADDLE_ENFORCE_EQ(labels_dims[1], 1,
-                        "The 2nd dimension of Input(Labels) contains instance "
-                        "label and the shape should be equal to 1.");
+          labels_dims[1], 1,
+          platform::errors::InvalidArgument(
+              "The 2nd dimension of Input(Labels) contains instance label and "
+              "the shape should be equal to 1. But received (%d)",
+              labels_dims[1]));
     }
     if (ctx->HasInput("Weights")) {
       auto weights_dims = ctx->GetInputDim("Weights");
 
       if (ctx->IsRuntime()) {
-        PADDLE_ENFORCE_EQ(weights_dims,
-                          framework::make_ddim({max_probs_dims[0], 1}),
-                          "The shape of Input(Weights) should be "
-                          "[batch_size, 1].");
+        PADDLE_ENFORCE_EQ(
+            weights_dims, framework::make_ddim({max_probs_dims[0], 1}),
+            platform::errors::InvalidArgument(
+                "The shape of Input(Weights) should be [batch_size, 1]."));
       }
     }
     if (ctx->HasInput("StatesInfo")) {
       auto states_dims = ctx->GetInputDim("StatesInfo");
 
       if (ctx->IsRuntime()) {
-        PADDLE_ENFORCE_EQ(states_dims, framework::make_ddim({cls_num, 4}),
-                          "The shape of Input(StatesInfo) should be "
-                          "[class_number, 4].");
+        PADDLE_ENFORCE_EQ(
+            states_dims, framework::make_ddim({cls_num, 4}),
+            platform::errors::InvalidArgument(
+                "The shape of Input(StatesInfo) should be [class_number, 4]."));
       }
     }
 
diff --git a/paddle/fluid/operators/metrics/precision_recall_op.h b/paddle/fluid/operators/metrics/precision_recall_op.h
index d6d4a5adc3ed0760f2a1356c70eda275c3195969..4417c0866bdecec6143bad8cbe48d70bf2edbfcd 100644
--- a/paddle/fluid/operators/metrics/precision_recall_op.h
+++ b/paddle/fluid/operators/metrics/precision_recall_op.h
@@ -58,11 +58,25 @@ class PrecisionRecallKernel : public framework::OpKernel<T> {
       size_t idx = ids_data[i];
       size_t label = labels_data[i];
 
-      PADDLE_ENFORCE(idx >= 0 && idx < cls_num,
-                     "Class index of each instance should be in "
-                     "[0, class_number).");
-      PADDLE_ENFORCE(label >= 0 && label < cls_num,
-                     "Label of each instance should be in [0, class_number).");
+      PADDLE_ENFORCE_GE(idx, 0, platform::errors::InvalidArgument(
+                                    "Class index of each instance should be "
+                                    "larger than 0, But received (%d)",
+                                    idx));
+      PADDLE_ENFORCE_LT(idx, cls_num,
+                        platform::errors::InvalidArgument(
+                            "Class index of each instance should be less than "
+                            "cls_num (%d), But received (%d)",
+                            cls_num, idx));
+
+      PADDLE_ENFORCE_GE(label, 0, platform::errors::InvalidArgument(
+                                      "Label of each instance should be larger "
+                                      "than 0, But received (%d)",
+                                      label));
+      PADDLE_ENFORCE_LT(label, cls_num,
+                        platform::errors::InvalidArgument(
+                            "Label of each instance should be less than "
+                            "cls_num (%d), But received (%d)",
+                            cls_num, label));
 
       T w = weights_data ? weights_data[i] : 1.0;
       if (idx == label) {
diff --git a/paddle/fluid/operators/sequence_ops/sequence_concat_op.cc b/paddle/fluid/operators/sequence_ops/sequence_concat_op.cc
index f0fd1fc65cb81ee63caa3804224f1a87321a192f..348e06396c7aa430c7a1b85c95a954142e508dd7 100644
--- a/paddle/fluid/operators/sequence_ops/sequence_concat_op.cc
+++ b/paddle/fluid/operators/sequence_ops/sequence_concat_op.cc
@@ -41,13 +41,20 @@ class SequenceConcatOp : public framework::OperatorWithKernel {
 
  protected:
   void InferShape(framework::InferShapeContext *context) const override {
-    PADDLE_ENFORCE(context->HasInputs("X"),
-                   "Input(X) of Sequence Concat Op should not be null.");
-    PADDLE_ENFORCE(context->HasOutput("Out"),
-                   "Output(Out) of Sequence Concat Op should not be null.");
+    PADDLE_ENFORCE_EQ(
+        context->HasInputs("X"), true,
+        platform::errors::InvalidArgument(
+            "Input(X) of Sequence Concat Op should not be null."));
+    PADDLE_ENFORCE_EQ(
+        context->HasOutput("Out"), true,
+        platform::errors::InvalidArgument(
+            "Output(Out) of Sequence Concat Op should not be null."));
 
     PADDLE_ENFORCE_GT(context->Inputs("X").size(), 1,
-                      "The number of input sequences is at least two.");
+                      platform::errors::InvalidArgument(
+                          "The number of input sequences is at least two. But "
+                          "the number of input sequences is(%d)",
+                          context->Inputs("X").size()));
     auto x_dims = context->GetInputsDim("X");
     int64_t batch_size = 0;
     int64_t feature_size = 0;
@@ -62,7 +69,10 @@ class SequenceConcatOp : public framework::OperatorWithKernel {
       } else {
         PADDLE_ENFORCE_EQ(
             feature_size, framework::product(x_dim) / x_dim[0],
-            "Inputs of sequence concat must have same feature size");
+            platform::errors::InvalidArgument(
+                "Inputs of sequence concat must have same feature size, But "
+                "received (%d) != (%d)",
+                feature_size, framework::product(x_dim) / x_dim[0]));
       }
     }
     if (batch_size < 0) {
diff --git a/paddle/fluid/operators/sequence_ops/sequence_concat_op.h b/paddle/fluid/operators/sequence_ops/sequence_concat_op.h
index 9c5cc5c80316980caa29668a834fd09e1c70bcbd..d07d647ed507400fe1d510fd1d881b70433b22a8 100644
--- a/paddle/fluid/operators/sequence_ops/sequence_concat_op.h
+++ b/paddle/fluid/operators/sequence_ops/sequence_concat_op.h
@@ -73,16 +73,23 @@ class SeqConcatKernel : public framework::OpKernel<T> {
     for (auto &x : xs) {
       if (lod_size == 0) {
         PADDLE_ENFORCE_EQ(x.get().lod().empty(), false,
-                          "Input(X) Tensor of SequenceConcatOp does not "
-                          "contain LoD information.");
+                          platform::errors::InvalidArgument(
+                              "Input(X) Tensor of SequenceConcatOp does not "
+                              "contain LoD information."));
         lod_size = x.get().lod()[0].size();
       } else {
-        PADDLE_ENFORCE_EQ(
-            lod_size, x.get().lod()[0].size(),
-            "The number of sequence must be same between each input");
+        PADDLE_ENFORCE_EQ(lod_size, x.get().lod()[0].size(),
+                          platform::errors::InvalidArgument(
+                              "The number of sequence must be same between "
+                              "each input. But received (%d) != (%d)",
+                              lod_size, x.get().lod()[0].size()));
       }
     }
-    PADDLE_ENFORCE_NE(lod_size, 0, "Each input must have sequence information");
+    PADDLE_ENFORCE_NE(lod_size, 0,
+                      platform::errors::InvalidArgument(
+                          "Each input must have sequence information. But "
+                          "received input lod size is(%d)",
+                          lod_size));
 
     std::vector<framework::Tensor> x_in_order;
     out.set_lod(detail::ConcatLoD(xs, &x_in_order));
@@ -100,7 +107,11 @@ class SeqConcatGradKernel : public framework::OpKernel<T> {
     auto xs = context.MultiInput<framework::LoDTensor>("X");
     auto dxs =
         context.MultiOutput<framework::LoDTensor>(framework::GradVarName("X"));
-    PADDLE_ENFORCE_EQ(xs.size(), dxs.size());
+    PADDLE_ENFORCE_EQ(xs.size(), dxs.size(),
+                      platform::errors::InvalidArgument(
+                          "The number of Input X and Output Grad X must be "
+                          "same, But received (%d) != (%d)",
+                          xs.size(), dxs.size()));
     for (size_t i = 0; i < dxs.size(); ++i) {
       if (dxs[i] != nullptr) {
         dxs[i]->set_lod(xs[i]->lod());
diff --git a/paddle/fluid/operators/sequence_ops/sequence_pad_op.cc b/paddle/fluid/operators/sequence_ops/sequence_pad_op.cc
index e92fe3934cf2990f35b849e58a2a2e4bad01dabd..8e352348850e93ae5557de9b521e855f93f11d17 100644
--- a/paddle/fluid/operators/sequence_ops/sequence_pad_op.cc
+++ b/paddle/fluid/operators/sequence_ops/sequence_pad_op.cc
@@ -26,24 +26,34 @@ class SequencePadOp : public framework::OperatorWithKernel {
  protected:
   void InferShape(framework::InferShapeContext* ctx) const override {
     PADDLE_ENFORCE_EQ(ctx->HasInput("X"), true,
-                      "Input(X) of SequencePadOp should not be null.");
-    PADDLE_ENFORCE_EQ(ctx->HasInput("PadValue"), true,
-                      "Input(PadValue) of SequencePadOp should not be null.");
+                      platform::errors::InvalidArgument(
+                          "Input(X) of SequencePadOp should not be null."));
+    PADDLE_ENFORCE_EQ(
+        ctx->HasInput("PadValue"), true,
+        platform::errors::InvalidArgument(
+            "Input(PadValue) of SequencePadOp should not be null."));
     PADDLE_ENFORCE_EQ(ctx->HasOutput("Out"), true,
-                      "Output(Out) of SequencePadOp should not be null.");
-    PADDLE_ENFORCE_EQ(ctx->HasOutput("Length"), true,
-                      "Output(Length) of SequencePadOp should not be null.");
+                      platform::errors::InvalidArgument(
+                          "Output(Out) of SequencePadOp should not be null."));
+    PADDLE_ENFORCE_EQ(
+        ctx->HasOutput("Length"), true,
+        platform::errors::InvalidArgument(
+            "Output(Length) of SequencePadOp should not be null."));
 
     auto x_dims = ctx->GetInputDim("X");
     PADDLE_ENFORCE_GE(x_dims.size(), 2,
-                      "The rank of Input(X) can't be less than 2.");
+                      platform::errors::InvalidArgument(
+                          "The rank of SequencePadOp Input(X) can't be less "
+                          "than 2. But received (%d)",
+                          x_dims.size()));
     auto time_step_dims = framework::slice_ddim(x_dims, 1, x_dims.size());
     auto pad_value_dims = ctx->GetInputDim("PadValue");
     PADDLE_ENFORCE_EQ(pad_value_dims == framework::make_ddim({1}) ||
                           pad_value_dims == time_step_dims,
                       true,
-                      "The Input(PadValue) must be a scalar or a tensor whose "
-                      "shape equals to time steps in sequences");
+                      platform::errors::InvalidArgument(
+                          "The Input(PadValue) must be a scalar or a tensor "
+                          "whose shape equals to time steps in sequences"));
 
     int out_dim_0 = -1;
 
@@ -54,31 +64,43 @@ class SequencePadOp : public framework::OperatorWithKernel {
           boost::get<framework::Variable*>(ctx->GetInputVarPtrs("X")[0]);
       const auto& x_lod = x_var->Get<LoDTensor>().lod();
       PADDLE_ENFORCE_EQ(x_lod.empty(), false,
-                        "The Input(X) must hold lod info.");
+                        platform::errors::InvalidArgument(
+                            "The Input(X) must hold lod info."));
       const auto& x_lod_0 = x_lod[0];
       PADDLE_ENFORCE_GE(x_lod_0.size(), 2,
-                        "The Input(X)'s lod info is corrupted.");
+                        platform::errors::InvalidArgument(
+                            "The Input(X)'s lod info is corrupted. "));
       PADDLE_ENFORCE_EQ(
           x_dims[0], static_cast<int64_t>(x_lod_0.back()),
-          "The Input(X)'s lod info mismatches the actual tensor shape.");
+          platform::errors::InvalidArgument(
+              "The Input(X)'s lod info mismatches the actual tensor shape. The "
+              "Input(X)'s lod info is(%d), the actual tensor shape is(%d)",
+              x_dims[0], static_cast<int64_t>(x_lod_0.back())));
 
       int seq_num = x_lod_0.size() - 1;
       int max_seq_len = math::MaximumSequenceLength(x_lod_0);
       if (padded_length == -1) {
         padded_length = max_seq_len;
       }
-      PADDLE_ENFORCE_GE(padded_length, max_seq_len,
-                        "The Attr(padded_length) must be -1 or an int greater "
-                        "than the length of the longest original sequence.");
+      PADDLE_ENFORCE_GE(
+          padded_length, max_seq_len,
+          platform::errors::InvalidArgument(
+              "The Attr(padded_length) must be -1 or an int greater than the "
+              "length of the longest original sequence. But the padded_length "
+              "received is (%d), the length of the longest original sequence "
+              "is (%d)",
+              padded_length, max_seq_len));
       out_dim_0 = seq_num;
     } else {
       // compile time
       if (padded_length == -1) {
         padded_length = 1;
       }
-      PADDLE_ENFORCE_GT(
-          ctx->GetLoDLevel("X"), 0,
-          "The LoD level Input(X) of sequence_pad should be larger than 0.");
+      PADDLE_ENFORCE_GT(ctx->GetLoDLevel("X"), 0,
+                        platform::errors::InvalidArgument(
+                            "The LoD level Input(X) of sequence_pad should be "
+                            "larger than 0. But received (%d)",
+                            ctx->GetLoDLevel("X")));
     }
 
     std::vector<int> out_dims_vec{out_dim_0, padded_length};
@@ -185,10 +207,12 @@ class SequencePadGradOp : public framework::OperatorWithKernel {
 
   void InferShape(framework::InferShapeContext* ctx) const override {
     PADDLE_ENFORCE_EQ(ctx->HasInput("X"), true,
-                      "Input(X) of SequencePadGradOp should not be null.");
+                      platform::errors::InvalidArgument(
+                          "Input(X) of SequencePadGradOp should not be null."));
     PADDLE_ENFORCE_EQ(
         ctx->HasInput(framework::GradVarName("Out")), true,
-        "Input(Out@GRAD) of SequencePadGradOp should not be null.");
+        platform::errors::InvalidArgument(
+            "Input(Out@GRAD) of SequencePadGradOp should not be null."));
 
     if (ctx->HasOutput(framework::GradVarName("X"))) {
       ctx->SetOutputDim(framework::GradVarName("X"), ctx->GetInputDim("X"));
diff --git a/paddle/fluid/operators/sequence_ops/sequence_pad_op.h b/paddle/fluid/operators/sequence_ops/sequence_pad_op.h
index 701cdc496fab8645fd286700d3c4f312c7bc2d14..0e1616bac16689ecac38f43f1647e6a849f863d2 100644
--- a/paddle/fluid/operators/sequence_ops/sequence_pad_op.h
+++ b/paddle/fluid/operators/sequence_ops/sequence_pad_op.h
@@ -37,7 +37,8 @@ class SequencePadOpKernel : public framework::OpKernel<T> {
 
     PADDLE_ENFORCE_EQ(
         x->lod().empty(), false,
-        "Input(X) Tensor of SequencePadOp does not contain LoD information.");
+        platform::errors::InvalidArgument("Input(X) Tensor of SequencePadOp "
+                                          "does not contain LoD information."));
 
     const auto* pad_value = ctx.Input<LoDTensor>("PadValue");
 
diff --git a/paddle/fluid/operators/sequence_ops/sequence_reshape_op.cc b/paddle/fluid/operators/sequence_ops/sequence_reshape_op.cc
index cc8f8488a06e45f194187bad8e67949a6810926d..7871843f4836cb8895a310a672a0fd227e958b84 100644
--- a/paddle/fluid/operators/sequence_ops/sequence_reshape_op.cc
+++ b/paddle/fluid/operators/sequence_ops/sequence_reshape_op.cc
@@ -23,13 +23,19 @@ class SequenceReshapeOp : public framework::OperatorWithKernel {
  public:
   using framework::OperatorWithKernel::OperatorWithKernel;
   void InferShape(framework::InferShapeContext* ctx) const override {
-    PADDLE_ENFORCE(ctx->HasInput("X"),
-                   "Input(X) of SequenceReshapeOp should not be null.");
-    PADDLE_ENFORCE(ctx->HasOutput("Out"),
-                   "Output(Out) of SequenceReshapeOp should not be null.");
+    PADDLE_ENFORCE_EQ(ctx->HasInput("X"), true,
+                      platform::errors::InvalidArgument(
+                          "Input(X) of SequenceReshapeOp should not be null."));
+    PADDLE_ENFORCE_EQ(
+        ctx->HasOutput("Out"), true,
+        platform::errors::InvalidArgument(
+            "Output(Out) of SequenceReshapeOp should not be null."));
     auto x_dims = ctx->GetInputDim("X");
     auto x_numel = product(x_dims);
-    PADDLE_ENFORCE_EQ(x_dims.size(), 2U, "Rank of Input(X) should be 2.");
+    PADDLE_ENFORCE_EQ(
+        x_dims.size(), 2U,
+        platform::errors::InvalidArgument(
+            "Rank of Input(X) should be 2. But received (%d)", x_dims.size()));
     int new_dim = ctx->Attrs().Get<int>("new_dim");
     if (ctx->IsRuntime()) {
       ctx->SetOutputDim("Out",
@@ -90,11 +96,14 @@ class SequenceReshapeGradOp : public framework::OperatorWithKernel {
   using framework::OperatorWithKernel::OperatorWithKernel;
 
   void InferShape(framework::InferShapeContext* ctx) const override {
-    PADDLE_ENFORCE(
-        ctx->HasInput(framework::GradVarName("Out")),
-        "Input(Out@GRAD) of SequenceReshapeGradOp should not be null.");
-    PADDLE_ENFORCE(ctx->HasInput("X"),
-                   "Input(X) of SequenceReshapeGradOp should  not be null.");
+    PADDLE_ENFORCE_EQ(
+        ctx->HasInput(framework::GradVarName("Out")), true,
+        platform::errors::InvalidArgument(
+            "Input(Out@GRAD) of SequenceReshapeGradOp should not be null."));
+    PADDLE_ENFORCE_EQ(
+        ctx->HasInput("X"), true,
+        platform::errors::InvalidArgument(
+            "Input(X) of SequenceReshapeGradOp should  not be null."));
 
     ctx->ShareDim("X", /*->*/ framework::GradVarName("X"));
     ctx->ShareLoD("X", /*->*/ framework::GradVarName("X"));
diff --git a/paddle/fluid/operators/sequence_ops/sequence_reshape_op.h b/paddle/fluid/operators/sequence_ops/sequence_reshape_op.h
index 7512a0ac2410910d26e8aec24b456844a02acd15..39adf278a97df08a77234f34f9b8811a8a1927cd 100644
--- a/paddle/fluid/operators/sequence_ops/sequence_reshape_op.h
+++ b/paddle/fluid/operators/sequence_ops/sequence_reshape_op.h
@@ -33,13 +33,19 @@ class SequenceReshapeKernel : public framework::OpKernel<T> {
     auto& in_lod = in->lod();
 
     PADDLE_ENFORCE_EQ(in_lod.empty(), false,
-                      "Input(X) Tensor of SequenceReshapeOp does not contain "
-                      "LoD information.");
+                      platform::errors::InvalidArgument(
+                          "Input(X) Tensor of SequenceReshapeOp does not "
+                          "contain LoD information."));
     PADDLE_ENFORCE_EQ(in_lod.size(), 1UL,
-                      "Only support one level sequence now.");
-    PADDLE_ENFORCE_EQ(
-        (uint64_t)in_dims[0], in_lod[0].back(),
-        "Inconsistent size between X.shape[0] and X.lod()[0].back().");
+                      platform::errors::InvalidArgument(
+                          "Only support one level sequence now. But lod size "
+                          "of Input(X) is (%d)",
+                          in_lod.size()));
+    PADDLE_ENFORCE_EQ((uint64_t)in_dims[0], in_lod[0].back(),
+                      platform::errors::InvalidArgument(
+                          "The size of X.shape[0] and X.lod()[0].back() should "
+                          "be same. But received (%d) != (%d)",
+                          (uint64_t)in_dims[0], in_lod[0].back()));
 
     auto in_lod_l0 = in_lod[0];
     int seq_num = in_lod_l0.size() - 1;
@@ -56,10 +62,11 @@ class SequenceReshapeKernel : public framework::OpKernel<T> {
         size_t offset = 0;
         offset = (seq_len * in_width) / out_width;
         PADDLE_ENFORCE_EQ(offset * out_width, seq_len * in_width,
-                          "Please make sure (sequence_length * dimension) can "
-                          "be divided by new_dim with no remainder for each "
-                          "sequence. The %dth sequence is invalid.",
-                          i + 1);
+                          platform::errors::InvalidArgument(
+                              "Please make sure (sequence_length * dimension) "
+                              "can be divided by new_dim with no remainder for "
+                              "each sequence. The %dth sequence is invalid.",
+                              i + 1));
         out_lod[0][i + 1] = out_lod[0][i] + offset;
       }
     }
diff --git a/paddle/fluid/operators/sequence_ops/sequence_reverse_op.h b/paddle/fluid/operators/sequence_ops/sequence_reverse_op.h
index c9415e52b1eaa4e0709a1062ec6d087d96c9cc05..4efebc6bb5e1bf689080a5c7845cfb9a0fcba5b2 100644
--- a/paddle/fluid/operators/sequence_ops/sequence_reverse_op.h
+++ b/paddle/fluid/operators/sequence_ops/sequence_reverse_op.h
@@ -27,12 +27,19 @@ class SequenceReverseOp : public framework::OperatorWithKernel {
   using framework::OperatorWithKernel::OperatorWithKernel;
 
   void InferShape(framework::InferShapeContext *ctx) const override {
-    PADDLE_ENFORCE(ctx->HasInput("X"), "Input(X) must exist");
-    PADDLE_ENFORCE(ctx->HasOutput("Y"), "Output(Y) must exist");
+    PADDLE_ENFORCE_EQ(ctx->HasInput("X"), true,
+                      platform::errors::InvalidArgument(
+                          "Input(X) of SequenceReverse must exist"));
+    PADDLE_ENFORCE_EQ(ctx->HasOutput("Y"), true,
+                      platform::errors::InvalidArgument(
+                          "Output(Y) of SequenceReverse must exist"));
 
     auto x_dim = ctx->GetInputDim("X");
     PADDLE_ENFORCE_GE(x_dim.size(), 2,
-                      "Rank of Input(X) must be not less than 2.");
+                      platform::errors::InvalidArgument(
+                          "Rank of Input(X) SequenceReverse must be not less "
+                          "than 2. The Input(X) tensor's rank is(%d)",
+                          x_dim.size()));
 
     ctx->SetOutputDim("Y", x_dim);
     ctx->ShareLoD("X", "Y");
@@ -108,10 +115,15 @@ class SequenceReverseOpKernel : public framework::OpKernel<T> {
     auto *y = ctx.Output<LoDTensor>("Y");
 
     PADDLE_ENFORCE_EQ(x.lod().empty(), false,
-                      "Input(X) Tensor of SequenceReverseOp does not contain "
-                      "LoD information.");
-    PADDLE_ENFORCE_EQ(x.lod().size(), 1,
-                      "SequenceReverse Op only support one level lod.");
+                      platform::errors::InvalidArgument(
+                          "Input(X) Tensor of SequenceReverseOp does not "
+                          "contain LoD information."));
+
+    PADDLE_ENFORCE_EQ(
+        x.lod().size(), 1,
+        platform::errors::InvalidArgument("SequenceReverse Op only support one "
+                                          "level lod. Input(X) lod is(%d)",
+                                          x.lod().size()));
 
     const size_t *lod;
     size_t lod_count = x.lod()[0].size();
@@ -131,8 +143,10 @@ class SequenceReverseOpKernel : public framework::OpKernel<T> {
     auto *x_data = x.data<T>();
     auto *y_data = y->mutable_data<T>(ctx.GetPlace());
 
-    PADDLE_ENFORCE_NE(x_data, y_data,
-                      "SequenceReverse Op does not support in-place operation");
+    PADDLE_ENFORCE_NE(
+        x_data, y_data,
+        platform::errors::InvalidArgument(
+            "SequenceReverse Op does not support in-place operation"));
 
     if (platform::is_cpu_place(ctx.GetPlace())) {
       for (size_t idx = 0; idx < lod_count - 1; idx++) {
diff --git a/paddle/fluid/operators/sequence_ops/sequence_unpad_op.cc b/paddle/fluid/operators/sequence_ops/sequence_unpad_op.cc
index e93ce7203f8a0fb47c2ad73f8c658c6737357bb4..2331e0da0dbb7d3ec73c26839f0d66c789484356 100644
--- a/paddle/fluid/operators/sequence_ops/sequence_unpad_op.cc
+++ b/paddle/fluid/operators/sequence_ops/sequence_unpad_op.cc
@@ -26,22 +26,36 @@ class SequenceUnpadOp : public framework::OperatorWithKernel {
  protected:
   void InferShape(framework::InferShapeContext* ctx) const override {
     PADDLE_ENFORCE_EQ(ctx->HasInput("X"), true,
-                      "Input(X) of SequenceUnpadOp should not be null.");
-    PADDLE_ENFORCE_EQ(ctx->HasInput("Length"), true,
-                      "Input(Length) of SequenceUnpadOp should not be null.");
-    PADDLE_ENFORCE_EQ(ctx->HasOutput("Out"), true,
-                      "Output(Out) of SequenceUnpadOp should not be null.");
+                      platform::errors::InvalidArgument(
+                          "Input(X) of SequenceUnpadOp should not be null."));
+    PADDLE_ENFORCE_EQ(
+        ctx->HasInput("Length"), true,
+        platform::errors::InvalidArgument(
+            "Input(Length) of SequenceUnpadOp should not be null."));
+    PADDLE_ENFORCE_EQ(
+        ctx->HasOutput("Out"), true,
+        platform::errors::InvalidArgument(
+            "Output(Out) of SequenceUnpadOp should not be null."));
 
     auto x_dims = ctx->GetInputDim("X");
-    PADDLE_ENFORCE_GE(x_dims.size(), 2,
-                      "The rank of Input(X) can't be less than 2.");
+    PADDLE_ENFORCE_GE(
+        x_dims.size(), 2,
+        platform::errors::InvalidArgument(
+            "The rank of Input(X) can't be less than 2. But received (%d)",
+            x_dims.size()));
 
     auto len_dims = ctx->GetInputDim("Length");
-    PADDLE_ENFORCE_EQ(len_dims.size(), 1,
-                      "The shape of Input(Length) should be [batch_size].");
     PADDLE_ENFORCE_EQ(
-        len_dims[0], x_dims[0],
-        "Input(X) and Input(Length) should have the same first dimension.");
+        len_dims.size(), 1,
+        platform::errors::InvalidArgument("The shape of Input(Length) should "
+                                          "be [batch_size]. But received (%d)",
+                                          len_dims.size()));
+    PADDLE_ENFORCE_EQ(len_dims[0], x_dims[0],
+                      platform::errors::InvalidArgument(
+                          "Input(X) and Input(Length) should have the same "
+                          "first dimension. But the first dimension of "
+                          "Input(X) and Input(Length) is (%d) != (%d)",
+                          len_dims[0], x_dims[0]));
 
     int64_t out_dim_0 = -1;
     if (ctx->IsRuntime()) {
@@ -115,11 +129,14 @@ class SequenceUnpadGradOp : public framework::OperatorWithKernel {
   using framework::OperatorWithKernel::OperatorWithKernel;
 
   void InferShape(framework::InferShapeContext* ctx) const override {
-    PADDLE_ENFORCE_EQ(ctx->HasInput("X"), true,
-                      "Input(X) of SequenceUnpadGradOp should not be null.");
+    PADDLE_ENFORCE_EQ(
+        ctx->HasInput("X"), true,
+        platform::errors::InvalidArgument(
+            "Input(X) of SequenceUnpadGradOp should not be null."));
     PADDLE_ENFORCE_EQ(
         ctx->HasInput(framework::GradVarName("Out")), true,
-        "Input(Out@GRAD) of SequenceUnpadGradOp should not be null.");
+        platform::errors::InvalidArgument(
+            "Input(Out@GRAD) of SequenceUnpadGradOp should not be null."));
 
     if (ctx->HasOutput(framework::GradVarName("X"))) {
       ctx->SetOutputDim(framework::GradVarName("X"), ctx->GetInputDim("X"));
diff --git a/paddle/fluid/operators/truncated_gaussian_random_op.cc b/paddle/fluid/operators/truncated_gaussian_random_op.cc
index 1e8708f2648d7dd3c10319bd0a4be193d2458d53..4e4f22a66f43534a47df06d9de034bf85d467408 100644
--- a/paddle/fluid/operators/truncated_gaussian_random_op.cc
+++ b/paddle/fluid/operators/truncated_gaussian_random_op.cc
@@ -182,17 +182,21 @@ class TruncatedGaussianRandomOp : public framework::OperatorWithKernel {
   using framework::OperatorWithKernel::OperatorWithKernel;
 
   void InferShape(framework::InferShapeContext* ctx) const override {
-    PADDLE_ENFORCE(
-        ctx->HasOutput("Out"),
-        "Output(Out) of TruncatedGaussianRandomOp should not be null.");
+    PADDLE_ENFORCE_EQ(
+        ctx->HasOutput("Out"), true,
+        platform::errors::InvalidArgument(
+            "Output(Out) of TruncatedGaussianRandomOp should not be null."));
     auto shape = ctx->Attrs().Get<std::vector<int>>("shape");
     std::vector<int64_t> out_dim;
     out_dim.reserve(shape.size());
     for (auto dim : shape) {
       out_dim.push_back(static_cast<int64_t>(dim));
     }
-    PADDLE_ENFORCE(shape.size() > 0UL,
-                   "shape can be one int or array. shape must be set.");
+    PADDLE_ENFORCE_GT(shape.size(), 0UL,
+                      platform::errors::InvalidArgument(
+                          "shape can be one int or array. shape must be set, "
+                          "But received (%d)",
+                          shape.size()));
     ctx->SetOutputDim("Out", framework::make_ddim(out_dim));
   }
 
diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index 63e103cdfd8611f043d987518d12e0ebd72a411d..99694b97267e2c4ce0c2a0530cc3565ea23853cd 100644
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -11450,6 +11450,9 @@ def gaussian_random(shape, mean=0.0, std=1.0, seed=0, dtype='float32'):
     """
 
     helper = LayerHelper('gaussian_random', **locals())
+    check_type(shape, 'shape', (list, tuple), 'fluid.layers.gaussian_random')
+    check_dtype(dtype, 'dtype', ['float32', 'float64'],
+                'fluid.layers.gaussian_random')
     out = helper.create_variable_for_type_inference(dtype)
     c_dtype = convert_np_dtype_to_dtype_(dtype)
     helper.append_op(
@@ -11543,6 +11546,12 @@ def gaussian_random_batch_size_like(input,
     """
 
     helper = LayerHelper('gaussian_random_batch_size_like', **locals())
+    check_type(input, 'input', (Variable),
+               'fluid.layers.gaussian_random_batch_size_like')
+    check_type(shape, 'shape', (list, tuple),
+               'fluid.layers.gaussian_random_batch_size_like')
+    check_dtype(dtype, 'dtype', ['float16', 'float32', 'int'],
+                'fluid.layers.gaussian_random_batch_size_like')
     out = helper.create_variable_for_type_inference(dtype)
     c_dtype = convert_np_dtype_to_dtype_(dtype)
     helper.append_op(
diff --git a/python/paddle/fluid/layers/sequence_lod.py b/python/paddle/fluid/layers/sequence_lod.py
index 304571111db767bccf51757a248797ffe3015f9c..d52600268cc92ef2c48987e2dc7935184732266b 100644
--- a/python/paddle/fluid/layers/sequence_lod.py
+++ b/python/paddle/fluid/layers/sequence_lod.py
@@ -17,6 +17,7 @@ from __future__ import print_function
 from .layer_function_generator import templatedoc
 from ..framework import Variable, in_dygraph_mode
 from ..layer_helper import LayerHelper
+from ..data_feeder import check_variable_and_dtype, check_type, check_dtype
 
 __all__ = [
     'sequence_conv',
@@ -405,6 +406,16 @@ def sequence_concat(input, name=None):
     assert not in_dygraph_mode(), (
         "sequence layer is not supported in dygraph mode yet.")
     helper = LayerHelper('sequence_concat', **locals())
+
+    check_type(input, 'input', list, 'fluid.layers.sequence_concat')
+    if isinstance(input, list):
+        for i, input_x in enumerate(input):
+            check_type(input_x, 'input[' + str(i) + ']', Variable,
+                       'fluid.layers.sequence_concat')
+            check_dtype(input_x.dtype, 'input[' + str(i) + ']',
+                        ['int64', 'float32', 'float64'],
+                        'fluid.layers.sequence_concat')
+
     out = helper.create_variable_for_type_inference(dtype=helper.input_dtype())
     helper.append_op(
         type='sequence_concat', inputs={'X': input}, outputs={'Out': [out]})
@@ -926,6 +937,11 @@ def sequence_pad(x, pad_value, maxlen=None, name=None):
     assert not in_dygraph_mode(), (
         "sequence layer is not supported in dygraph mode yet.")
     helper = LayerHelper('sequence_pad', input=x, **locals())
+    check_variable_and_dtype(x, 'x', ['float32', 'float64', 'int32', 'int64'],
+                             'fluid.layers.sequence_pad')
+    check_variable_and_dtype(pad_value, 'pad_value',
+                             ['float32', 'float64', 'int32', 'int64'],
+                             'fluid.layers.sequence_pad')
     dtype = helper.input_dtype()
     out = helper.create_variable_for_type_inference(dtype)
     length = helper.create_variable_for_type_inference(dtype)
@@ -1001,6 +1017,10 @@ def sequence_unpad(x, length, name=None):
     assert not in_dygraph_mode(), (
         "sequence layer is not supported in dygraph mode yet.")
     helper = LayerHelper('sequence_unpad', input=x, **locals())
+    check_variable_and_dtype(x, 'x', ['float32', 'float64', 'int32', 'int64'],
+                             'fluid.layers.sequence_unpad')
+    check_variable_and_dtype(length, 'length', ['int64'],
+                             'fluid.layers.sequence_unpad')
     dtype = helper.input_dtype()
     out = helper.create_variable_for_type_inference(dtype)
 
@@ -1062,6 +1082,9 @@ def sequence_reshape(input, new_dim):
     assert not in_dygraph_mode(), (
         "sequence layer is not supported in dygraph mode yet.")
     helper = LayerHelper('sequence_reshape', **locals())
+    check_variable_and_dtype(input, 'input',
+                             ['float32', 'float64', 'int32', 'int64'],
+                             'fluid.layers.sequence_reshape')
     out = helper.create_variable_for_type_inference(helper.input_dtype())
     helper.append_op(
         type='sequence_reshape',
@@ -1334,6 +1357,9 @@ def sequence_reverse(x, name=None):
     assert not in_dygraph_mode(), (
         "sequence layer is not supported in dygraph mode yet.")
     helper = LayerHelper("sequence_reverse", **locals())
+    check_variable_and_dtype(x, 'x',
+                             ['float32', 'float64', 'int8', 'int32', 'int64'],
+                             'fluid.layers.sequence_reverse')
     out = helper.create_variable_for_type_inference(dtype=x.dtype)
 
     helper.append_op(
diff --git a/python/paddle/fluid/tests/unittests/sequence/test_sequence_concat.py b/python/paddle/fluid/tests/unittests/sequence/test_sequence_concat.py
index 5b3d55c84936ba5ceab89b776b5474653578ab7a..737c085dde6acf5e3645b2127f42b1d8b5a7aa1d 100644
--- a/python/paddle/fluid/tests/unittests/sequence/test_sequence_concat.py
+++ b/python/paddle/fluid/tests/unittests/sequence/test_sequence_concat.py
@@ -20,6 +20,8 @@ import sys
 sys.path.append("../")
 from op_test import OpTest
 
+from paddle import fluid
+
 
 class TestSequenceConcat(OpTest):
     def setLoD(self):
@@ -76,5 +78,41 @@ class TestSequenceConcatCase5(TestSequenceConcat):
         self.out_lod = [20, 10]
 
 
+class TestSequenceConcatOpError(unittest.TestCase):
+    def test_errors(self):
+        def test_input_list():
+            # the input type must be list
+            x_data = fluid.layers.data(name='x', shape=[4], dtype='float32')
+            fluid.layers.sequence_concat(input=x_data)
+
+        self.assertRaises(TypeError, test_input_list)
+
+        def test_variable1():
+            # the input element type must be Variable
+            x1_data = np.array([[3, 5]]).astype('float32')
+            y1_data = fluid.layers.data(name='y1', shape=[4], dtype='float32')
+            fluid.layers.sequence_concat(input=[x1_data, y1_data])
+
+        def test_variable2():
+            x2_data = np.array([[3, 5]]).astype('float32')
+            y2_data = fluid.layers.data(name='y2', shape=[4], dtype='float32')
+            fluid.layers.sequence_concat(input=[y2_data, x2_data])
+
+        for i in range(2):
+            if i == 0:
+                self.assertRaises(TypeError, test_variable1)
+            else:
+                self.assertRaises(TypeError, test_variable2)
+
+        def test_dtype():
+            # dtype must be 'float32', 'float64', 'int64'
+            x3_data = fluid.layers.data(name="x3", shape=[3, 5], dtype='int32')
+            y3_data = fluid.layers.data(name="y3", shape=[3, 5], dtype='int16')
+            input_list = [x3_data, y3_data]
+            fluid.layers.sequence_concat(input=input_list)
+
+        self.assertRaises(TypeError, test_dtype)
+
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/python/paddle/fluid/tests/unittests/sequence/test_sequence_pad_op.py b/python/paddle/fluid/tests/unittests/sequence/test_sequence_pad_op.py
index d04f10139b48b3d8c573245efee653ff009aa1b6..b9d53452adead5a796ee646acf5dce725ca0a745 100644
--- a/python/paddle/fluid/tests/unittests/sequence/test_sequence_pad_op.py
+++ b/python/paddle/fluid/tests/unittests/sequence/test_sequence_pad_op.py
@@ -18,6 +18,8 @@ import sys
 sys.path.append("../")
 from op_test import OpTest
 
+import paddle.fluid as fluid
+
 
 class TestSequencePadOp(OpTest):
     def set_attr(self):
@@ -143,5 +145,34 @@ class TestSequencePadOp8(TestSequencePadOp):
         self.dtype = 'float64'
 
 
+class TestSequencePadOpError(unittest.TestCase):
+    def test_error(self):
+        def test_x_variable():
+            # the input x type must be Variable
+            x = np.random.random((2, 4)).astype("float32")
+            pad_value = fluid.layers.assign(input=np.array(
+                [0.0], dtype=np.float32))
+            fluid.layers.sequence_pad(x=x, pad_value=pad_value)
+
+        self.assertRaises(TypeError, test_x_variable)
+
+        def test_pad_value_variable():
+            x1 = fluid.layers.data(
+                name='x1', shape=[10, 5], dtype='float32', lod_level=1)
+            pad_value1 = np.array([0.0], dtype=np.float32)
+            fluid.layers.sequence_pad(x=x1, pad_value=pad_value1)
+
+        self.assertRaises(TypeError, test_pad_value_variable)
+
+        def test_dtype():
+            x2 = fluid.layers.data(
+                name='x2', shape=[10, 5], dtype='int16', lod_level=1)
+            pad_value2 = fluid.layers.assign(input=np.array(
+                [0.0], dtype=np.int32))
+            fluid.layers.sequence_pad(x=x2, pad_value=pad_value2)
+
+        self.assertRaises(TypeError, test_dtype)
+
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/python/paddle/fluid/tests/unittests/sequence/test_sequence_reshape.py b/python/paddle/fluid/tests/unittests/sequence/test_sequence_reshape.py
index 4c65cd382ff9a5c41b43c745df62e03bdf44b5e1..6540c6a09444859d0d696b825e6fee494e2891b0 100644
--- a/python/paddle/fluid/tests/unittests/sequence/test_sequence_reshape.py
+++ b/python/paddle/fluid/tests/unittests/sequence/test_sequence_reshape.py
@@ -21,6 +21,8 @@ import sys
 sys.path.append("../")
 from op_test import OpTest
 
+import paddle.fluid as fluid
+
 
 class TestSequenceReshape(OpTest):
     def init_data(self):
@@ -83,5 +85,25 @@ class TestSequenceReshape_reduce_seq_len0_case1(TestSequenceReshape):
         self.x = np.random.uniform(0.1, 1, [12, 12]).astype('float64')
 
 
+class TestSequenceReshapeOpError(unittest.TestCase):
+    def test_error(self):
+        def test_variable():
+            x = np.random.random((2, 4)).astype("float32")
+            fluid.layers.sequence_reshape(x=x, new_dim=4)
+
+        self.assertRaises(TypeError, test_variable)
+
+        def test_dtype():
+            x1 = fluid.layers.data(
+                name='x1',
+                shape=[2, 6],
+                append_batch_size=False,
+                dtype='float16',
+                lod_level=1)
+            fluid.layers.sequence_reshape(x=x1, new_dim=4)
+
+        self.assertRaises(TypeError, test_dtype)
+
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/python/paddle/fluid/tests/unittests/sequence/test_sequence_reverse.py b/python/paddle/fluid/tests/unittests/sequence/test_sequence_reverse.py
index 8c7099849153846548b248a0bf9f99c6dd9208ad..d0031dcc5f27d1a78f51b25e110cf9e5f0815910 100644
--- a/python/paddle/fluid/tests/unittests/sequence/test_sequence_reverse.py
+++ b/python/paddle/fluid/tests/unittests/sequence/test_sequence_reverse.py
@@ -79,5 +79,22 @@ class TestSequenceReverse3(TestSequenceReverseBase):
         self.lod = [0, 2, 10, 0]
 
 
+class TestSequenceReverseOpError(unittest.TestCase):
+    def test_error(self):
+        def test_variable():
+            # the input type must be Variable
+            x_data = np.random.random((2, 4)).astype("float32")
+            fluid.layers.sequence_reverse(x=x_data)
+
+        self.assertRaises(TypeError, test_variable)
+
+        def test_dtype():
+            # dtype must be 'float32', 'float64', 'int8', 'int32', 'int64'
+            x2_data = fluid.layers.data(name='x2', shape=[4], dtype='float16')
+            fluid.layers.sequence_reverse(x=x2_data)
+
+        self.assertRaises(TypeError, test_dtype)
+
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/python/paddle/fluid/tests/unittests/sequence/test_sequence_unpad_op.py b/python/paddle/fluid/tests/unittests/sequence/test_sequence_unpad_op.py
index 458088b4f5bf44431d2271b20dd1c94d5a16c109..aec3033316ba30614035bf42ded4f638728c4b13 100644
--- a/python/paddle/fluid/tests/unittests/sequence/test_sequence_unpad_op.py
+++ b/python/paddle/fluid/tests/unittests/sequence/test_sequence_unpad_op.py
@@ -19,6 +19,8 @@ import sys
 sys.path.append("../")
 from op_test import OpTest
 
+import paddle.fluid as fluid
+
 
 class TestSequenceUnpadOp(OpTest):
     def init(self):
@@ -84,5 +86,36 @@ class TestSequenceUnpadOp4(TestSequenceUnpadOp):
         self.dtype = "float64"
 
 
+class TestSequenceUnpadOpError(unittest.TestCase):
+    def test_error(self):
+        def test_x_variable():
+            x = np.random.random((10, 5)).astype("float64")
+            len = fluid.data(name='length2', shape=[10], dtype='int64')
+            fluid.layers.sequence_pad(x=x, length=len)
+
+        self.assertRaises(TypeError, test_x_variable)
+
+        def test_length_variable():
+            x1 = fluid.data(name='x1', shape=[10, 5], dtype='float32')
+            len1 = np.random.random((10)).astype("int64")
+            fluid.layers.sequence_pad(x=x1, length=len1)
+
+        self.assertRaises(TypeError, test_length_variable)
+
+        def test_x_dtype():
+            x2 = fluid.data(name='x2', shape=[10, 5], dtype='float16')
+            len2 = fluid.data(name='length2', shape=[10], dtype='int64')
+            fluid.layers.sequence_pad(x=x2, length=len2)
+
+        self.assertRaises(TypeError, test_x_dtype)
+
+        def test_length_dtype():
+            x3 = fluid.data(name='x3', shape=[10, 5], dtype='float64')
+            len3 = fluid.data(name='length3', shape=[10], dtype='int32')
+            fluid.layers.sequence_pad(x=x3, length=len3)
+
+        self.assertRaises(TypeError, test_length_dtype)
+
+
 if __name__ == '__main__':
     unittest.main()