diff --git a/0003-fix-make-error-under-gcc-9-from-19647-18950.patch b/0003-fix-make-error-under-gcc-9-from-19647-18950.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2da403ddbb94cc24fe2fb953f58873c16b3dc145
--- /dev/null
+++ b/0003-fix-make-error-under-gcc-9-from-19647-18950.patch
@@ -0,0 +1,95 @@
+From 5b2d433029e7e875251ed680fbef75996fc7d6bd Mon Sep 17 00:00:00 2001
+From: jinghan.chen <jinghan.chen@cs2c.com.cn>
+Date: Wed, 19 Feb 2020 18:36:34 +0800
+Subject: [PATCH] fix make error under gcc 9 from 19647 18950
+
+---
+ include/grpcpp/impl/codegen/call_op_set.h | 3 +++
+ src/core/lib/gpr/log_linux.cc             | 4 ++--
+ src/core/lib/gpr/log_posix.cc             | 4 ++--
+ src/core/lib/iomgr/ev_epollex_linux.cc    | 4 ++--
+ 4 files changed, 9 insertions(+), 6 deletions(-)
+
+diff --git a/include/grpcpp/impl/codegen/call_op_set.h b/include/grpcpp/impl/codegen/call_op_set.h
+index c3ae6c4..8fc8e9b 100644
+--- a/include/grpcpp/impl/codegen/call_op_set.h
++++ b/include/grpcpp/impl/codegen/call_op_set.h
+@@ -88,6 +88,9 @@ class WriteOptions {
+   WriteOptions(const WriteOptions& other)
+       : flags_(other.flags_), last_message_(other.last_message_) {}
+ 
++  /// Default assignment operator
++  WriteOptions& operator=(const WriteOptions& other) = default;
++
+   /// Clear all flags.
+   inline void Clear() { flags_ = 0; }
+ 
+diff --git a/src/core/lib/gpr/log_linux.cc b/src/core/lib/gpr/log_linux.cc
+index 561276f..8b597b4 100644
+--- a/src/core/lib/gpr/log_linux.cc
++++ b/src/core/lib/gpr/log_linux.cc
+@@ -40,7 +40,7 @@
+ #include <time.h>
+ #include <unistd.h>
+ 
+-static long gettid(void) { return syscall(__NR_gettid); }
++static long sys_gettid(void) { return syscall(__NR_gettid); }
+ 
+ void gpr_log(const char* file, int line, gpr_log_severity severity,
+              const char* format, ...) {
+@@ -70,7 +70,7 @@ void gpr_default_log(gpr_log_func_args* args) {
+   gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
+   struct tm tm;
+   static __thread long tid = 0;
+-  if (tid == 0) tid = gettid();
++  if (tid == 0) tid = sys_gettid();
+ 
+   timer = static_cast<time_t>(now.tv_sec);
+   final_slash = strrchr(args->file, '/');
+diff --git a/src/core/lib/gpr/log_posix.cc b/src/core/lib/gpr/log_posix.cc
+index b6edc14..2f7c6ce 100644
+--- a/src/core/lib/gpr/log_posix.cc
++++ b/src/core/lib/gpr/log_posix.cc
+@@ -31,7 +31,7 @@
+ #include <string.h>
+ #include <time.h>
+ 
+-static intptr_t gettid(void) { return (intptr_t)pthread_self(); }
++static intptr_t sys_gettid(void) { return (intptr_t)pthread_self(); }
+ 
+ void gpr_log(const char* file, int line, gpr_log_severity severity,
+              const char* format, ...) {
+@@ -86,7 +86,7 @@ void gpr_default_log(gpr_log_func_args* args) {
+   char* prefix;
+   gpr_asprintf(&prefix, "%s%s.%09d %7" PRIdPTR " %s:%d]",
+                gpr_log_severity_string(args->severity), time_buffer,
+-               (int)(now.tv_nsec), gettid(), display_file, args->line);
++               (int)(now.tv_nsec), sys_gettid(), display_file, args->line);
+ 
+   fprintf(stderr, "%-70s %s\n", prefix, args->message);
+   gpr_free(prefix);
+diff --git a/src/core/lib/iomgr/ev_epollex_linux.cc b/src/core/lib/iomgr/ev_epollex_linux.cc
+index 08116b3..76f5984 100644
+--- a/src/core/lib/iomgr/ev_epollex_linux.cc
++++ b/src/core/lib/iomgr/ev_epollex_linux.cc
+@@ -1102,7 +1102,7 @@ static void end_worker(grpc_pollset* pollset, grpc_pollset_worker* worker,
+ }
+ 
+ #ifndef NDEBUG
+-static long gettid(void) { return syscall(__NR_gettid); }
++static long sys_gettid(void) { return syscall(__NR_gettid); }
+ #endif
+ 
+ /* pollset->mu lock must be held by the caller before calling this.
+@@ -1122,7 +1122,7 @@ static grpc_error* pollset_work(grpc_pollset* pollset,
+ #define WORKER_PTR (&worker)
+ #endif
+ #ifndef NDEBUG
+-  WORKER_PTR->originator = gettid();
++  WORKER_PTR->originator = sys_gettid();
+ #endif
+   if (GRPC_TRACE_FLAG_ENABLED(grpc_polling_trace)) {
+     gpr_log(GPR_INFO,
+-- 
+2.23.0
+
diff --git a/grpc.spec b/grpc.spec
index 1c274ec956e0f68b766b704700097d6239f215af..23b8c1154ca9a93ca86ced74ce0067c3315c329a 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -1,6 +1,6 @@
 Name:          grpc
 Version:       1.22.0
-Release:       2
+Release:       3
 Summary:       A modern, open source high performance RPC framework that can run in any environment
 License:       ASL 2.0
 URL:           https://www.grpc.io
@@ -10,6 +10,7 @@ Patch9000:     0001-cxx-Arg-List-Too-Long.patch
 Patch9001:     0002-add-secure-compile-option-in-Makefile.patch
 
 Patch0002:     0002-patch-from-15532.patch
+Patch0003:     0003-fix-make-error-under-gcc-9-from-19647-18950.patch
 
 BuildRequires: gcc-c++ pkgconfig protobuf-devel protobuf-compiler
 BuildRequires: openssl-devel c-ares-devel gflags-devel gtest-devel zlib-devel gperftools-devel
@@ -93,6 +94,9 @@ make install-grpc-cli prefix="%{buildroot}%{_prefix}"
 %{python3_sitearch}/grpcio-%{version}-py?.?.egg-info
 
 %changelog
+* Wed Feb 19 2020 jinghan.chen <jinghan.chen@cs2c.com.cn> - 1.22.0-3
+- Fix make error: "implicitly-declared operator= is deprecated" and rename gettid() functions, patches from 19647&18950
+
 * Sat Jan 11 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.22.0-2
 - Delete unused patch