diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b4991781422d09eee3e7344a63bb5629ccb111a7..4668fd2531a52b8ebe00b6bb9f8f416a05062dc4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -5,16 +5,17 @@ set(LIB_STATIC "${SDK_NAME}_static")
 # 配置编译宏定义
 
 ## release或debug
-if(NOT CMAKE_BUILD_TYPE)
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
     message("BUILD TYPE: DEBUG")
     message("DEFINATION: \"DEBUG\"")
     set(CMAKE_BUILD_TYPE "Debug")
     add_definitions(-DDEBUG)
-else(NOT CMAKE_BUILD_TYPE)
+else()
     message("BUILD TYPE: RELEASE")
     message("DEFINATION: \"RELEASE\"")
+    set(CMAKE_BUILD_TYPE "Release")
     add_definitions(-DRELEASE)
-endif(NOT CMAKE_BUILD_TYPE)
+endif()
 
 ## 平台相关接口
 if(WIN32)