diff --git a/paddle/fluid/memory/detail/system_allocator.cc b/paddle/fluid/memory/detail/system_allocator.cc
index d5390529163491c2711e50ffad236534e88b73ee..9b1ab1e228dd758b52975abc4c4aa0bdeadbe2de 100644
--- a/paddle/fluid/memory/detail/system_allocator.cc
+++ b/paddle/fluid/memory/detail/system_allocator.cc
@@ -43,14 +43,16 @@ void* CPUAllocator::Alloc(size_t* index, size_t size) {
 
   *index = 0;  // unlock memory
 
-  void* p;
+  void* p = nullptr;
 
 #ifdef PADDLE_WITH_MKLDNN
   // refer to https://github.com/01org/mkl-dnn/blob/master/include/mkldnn.hpp
   // memory alignment
-  PADDLE_ENFORCE_EQ(posix_memalign(&p, 4096ul, size), 0);
+  PADDLE_ENFORCE_EQ(posix_memalign(&p, 4096ul, size), 0, "Alloc %ld error!",
+                    size);
 #else
-  PADDLE_ENFORCE_EQ(posix_memalign(&p, 32ul, size), 0);
+  PADDLE_ENFORCE_EQ(posix_memalign(&p, 32ul, size), 0, "Alloc %ld error!",
+                    size);
 #endif
   PADDLE_ENFORCE(p, "Fail to allocate CPU memory: size = %d .", size);
 
diff --git a/paddle/fluid/operators/detail/grpc_client.cc b/paddle/fluid/operators/detail/grpc_client.cc
index 02ffe3651e1deefcf6981c3d304d64b9a01661bf..ea004f7cd340030e61571825941a50e89735ef05 100644
--- a/paddle/fluid/operators/detail/grpc_client.cc
+++ b/paddle/fluid/operators/detail/grpc_client.cc
@@ -245,7 +245,7 @@ void GRPCClient::Proceed() {
     if (c->status_.ok()) {
       c->Process();
     } else {
-      LOG(ERROR) << "var: " << c->var_h_.String()
+      LOG(FATAL) << "var: " << c->var_h_.String()
                  << " grpc error:" << c->status_.error_message();
     }
     delete c;