diff --git a/myis11/src/IRIS_IS3/IS3_INST.h b/myis11/src/IRIS_IS3/IS3_INST.h
index acb6241..3a0ae8f 100644
--- a/myis11/src/IRIS_IS3/IS3_INST.h
+++ b/myis11/src/IRIS_IS3/IS3_INST.h
@@ -21,7 +21,7 @@ extern "C"   {
 
 #ifdef _WIN32
 #define WINDOWSEXPORT __declspec(dllexport) // Windows下导出函数
-#elif
+#else
 #define WINDOWSEXPORT // Linux下导出函数
 #endif
 
diff --git a/myis11/src/is11/IS11_INST.h b/myis11/src/is11/IS11_INST.h
index f9631c0..7426437 100644
--- a/myis11/src/is11/IS11_INST.h
+++ b/myis11/src/is11/IS11_INST.h
@@ -21,7 +21,7 @@ extern "C"   {
 
 #ifdef _WIN32
 #define WINDOWSEXPORT __declspec(dllexport) // Windows下导出函数
-#elif
+#else
 #define WINDOWSEXPORT // Linux下导出函数
 #endif