diff --git a/src/framework/operator.cpp b/src/framework/operator.cpp
index dfdf0af79ac98d0bb79c7da3fdcc872341417b87..808002d4c8f3193744ef68c1db881a787d19b133 100644
--- a/src/framework/operator.cpp
+++ b/src/framework/operator.cpp
@@ -23,6 +23,7 @@ vector<string> OperatorBase<Dtype>::GetOutKeys() const {
   auto it = op_input_output_key.find(type_);
   if (it == op_input_output_key.end()) {
     DLOG << type_ << " has no outputs";
+    return {};
   }
   return it->second.second;
 }
diff --git a/test/executor_for_test.h b/test/executor_for_test.h
index c69eba222fbe39d6627a0f03bf1621e7db4d491e..48b6b5cf3c6a3e01fc39bf381465d1ce12669f84 100644
--- a/test/executor_for_test.h
+++ b/test/executor_for_test.h
@@ -73,6 +73,7 @@ class Executor4Test : public Executor<DeviceType> {
         }
       }
     }
+    this->InitMemory();
   }
 
   template <typename T = LoDTensor>