diff --git a/AIEngineModule/include_base/AI_Factory.h b/AIEngineModule/include_base/AI_Factory.h
index de005b8..940ca8b 100644
--- a/AIEngineModule/include_base/AI_Factory.h
+++ b/AIEngineModule/include_base/AI_Factory.h
@@ -41,7 +41,7 @@ struct GPU_Config
             UseGPUList[i] = -1;
         }
         UseGPUList[0] = 0;
-        UseGPUList[1] = 1;
+        UseGPUList[1] = -1;
     }
     int GetNum()
     {
diff --git a/AlgorithmModule/include/ImgCheckBase.h b/AlgorithmModule/include/ImgCheckBase.h
index 0f64959..c0dedfa 100644
--- a/AlgorithmModule/include/ImgCheckBase.h
+++ b/AlgorithmModule/include/ImgCheckBase.h
@@ -3,7 +3,7 @@
 #include <string>
 #include <memory>
 #define ALL_INTERFACE_VERSION 7
-#define MAX_GPU_NUM 4
+#define MAX_GPU_NUM 1
 
 enum CHECK_THREAD_RUN_STATUS
 {
@@ -53,7 +53,7 @@ struct RunInfoST
             UseGPUList[i] = -1;
         }
         UseGPUList[0] = 0;
-        UseGPUList[1] = 1;
+        UseGPUList[1] = -1;
     }
     void copy(RunInfoST tem)
     {
diff --git a/AlgorithmModule/src/ALLImgCheckAnalysisy.cpp b/AlgorithmModule/src/ALLImgCheckAnalysisy.cpp
index 9319eff..60130d7 100644
--- a/AlgorithmModule/src/ALLImgCheckAnalysisy.cpp
+++ b/AlgorithmModule/src/ALLImgCheckAnalysisy.cpp
@@ -329,7 +329,7 @@ int ALLImgCheckAnalysisy::InitAIFactory()
 	if (num == 0)
 	{
 		gpu.UseGPUList[0] = 0;
-		gpu.UseGPUList[1] = 1;
+		gpu.UseGPUList[1] = -1;
 	}
 	for (int i = 0; i < MAX_GPU_NUM; i++)
 	{