diff --git a/C/source/.gitignore b/C/source/.gitignore
index fff19f3..7ceceb7 100644
--- a/C/source/.gitignore
+++ b/C/source/.gitignore
@@ -1,7 +1,7 @@
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
 
-build/*
+build
 
 # User-specific files
 *.suo
@@ -256,6 +256,7 @@ paket-files/
 *.sln.iml
 target/
 cmake-build-*
+source.code-*
 
 # macOS
 .DS_Store
diff --git a/C/source/CMakeLists.txt b/C/source/CMakeLists.txt
index 38d8db8..215898a 100644
--- a/C/source/CMakeLists.txt
+++ b/C/source/CMakeLists.txt
@@ -8,17 +8,16 @@ set(CMAKE_C_STANDARD 11)
 aux_source_directory(. DIR_SRCS)
 add_subdirectory(idgen)
 
-
 #编译动态库
-#set(LIB_SRC YitIdHelper.h YitIdHelper.c)
-#add_library(YitIdGenLib SHARED ${LIB_SRC})
-#target_link_libraries(YitIdGenLib idgen)
-#set_target_properties(YitIdGenLib PROPERTIES
+# set(LIB_SRC YitIdHelper.h YitIdHelper.c)
+# add_library(YitIdGenLib SHARED ${LIB_SRC})
+# target_link_libraries(YitIdGenLib idgen)
+# set_target_properties(YitIdGenLib PROPERTIES
 #        LINKER_LANGUAGE C
 #        OUTPUT_NAME "yitidgenc"
 #        PREFIX "")
 
-##编译执行文件
+# 编译执行文件
 set(LIB_SRC YitIdHelper.h YitIdHelper.c)
 add_library(YitIdHelper ${LIB_SRC})
 add_executable(YitIdGen main.c)
diff --git a/C/source/idgen/IdGenerator.c b/C/source/idgen/IdGenerator.c
index b498371..00f94d4 100644
--- a/C/source/idgen/IdGenerator.c
+++ b/C/source/idgen/IdGenerator.c
@@ -109,7 +109,7 @@ extern void SetOptions(IdGeneratorOptions options) {
         _idGenerator->NextId = WorkerM2Id;
     } else {
         _idGenerator->NextId = WorkerM1Id;
-        sleep(1);
+        usleep(500*1000); // 暂停500ms
     }
 }
 
diff --git a/C/source/idgen/SnowWorkerM1.c b/C/source/idgen/SnowWorkerM1.c
index 82f9855..5534f9b 100644
--- a/C/source/idgen/SnowWorkerM1.c
+++ b/C/source/idgen/SnowWorkerM1.c
@@ -162,6 +162,7 @@ extern int64_t GetCurrentMicroTime() {
 extern int64_t GetNextTimeTick(SnowFlakeWorker *worker) {
     uint64_t tempTimeTicker = GetCurrentTimeTick(worker);
     while (tempTimeTicker <= worker->_LastTimeTick) {
+        usleep(1000);  // 暂停1ms
         tempTimeTicker = GetCurrentTimeTick(worker);
     }
     return tempTimeTicker;