diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9f956960fe0beed64592bbd115b9b434c5df3206..4458e219abb3fb0ebb67095626f824ee2faf8b56 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.0.0)
 
 option(USE_OPENMP    "build with openmp support" ON)
 option(USE_EXCEPTION "build with exception" ON)
-option(WITH_LOGGING  "print logging for debug" ON)
+option(WITH_LOGGING  "print logging for debug" OFF)
 option(WITH_SYMBOL   "build with all symbols" ON) # turn off if use jni or ios io
 option(WITH_PROFILE  "print op profile for debug" OFF)
 option(WITH_TEST     "build with unit tests" ON)
diff --git a/src/io/ios_io/PaddleMobileCPU.mm b/src/io/ios_io/PaddleMobileCPU.mm
index 743f78552ead54d95164ef199d449f6abcd15cca..f3a804e713c1e3caa5d806ceeca5b3b2d52ebce3 100644
--- a/src/io/ios_io/PaddleMobileCPU.mm
+++ b/src/io/ios_io/PaddleMobileCPU.mm
@@ -343,6 +343,7 @@ static std::mutex shared_mutex;
   [cpuResult toSetDim: ocDim];
   [cpuResult toSetOutputSize: output_tensor->numel()];
 
+  free(output);
   CFRelease(cfData);
   cfData = NULL;
 
diff --git a/src/operators/kernel/arm/quantize_kernel.cpp b/src/operators/kernel/arm/quantize_kernel.cpp
index c8af30a65590ef6dd3592da8709b94cba1ee60c6..79186be79e5b4207e9f6b2b221bc1a4160e4e67e 100644
--- a/src/operators/kernel/arm/quantize_kernel.cpp
+++ b/src/operators/kernel/arm/quantize_kernel.cpp
@@ -167,7 +167,7 @@ float find_abs_max(const Tensor *input) {
   max_abs = vmaxvq_f32(__max);
 #endif
   for (size_t i = 0; i < remain; ++i) {
-    max_abs = std::max(max_abs, fabs(x[i]));
+    max_abs = std::max(max_abs, static_cast<float>(fabs(x[i])));
   }
   return max_abs;
 }
diff --git a/src/operators/kernel/logical_kernel.h b/src/operators/kernel/logical_kernel.h
index 8c49669fa8f276b28e4d3b50db16937f766f70a1..b42ae27005212147a7a7467f974a8f10ca4af299 100644
--- a/src/operators/kernel/logical_kernel.h
+++ b/src/operators/kernel/logical_kernel.h
@@ -14,6 +14,8 @@ limitations under the License. */
 
 #pragma once
 
+#include <algorithm>
+
 #include "framework/operator.h"
 #include "operators/op_param.h"