diff --git a/FrontendWebApi/ApiControllers/GraphManageController.cs b/FrontendWebApi/ApiControllers/GraphManageController.cs
index aa62a28..53abdb0 100644
--- a/FrontendWebApi/ApiControllers/GraphManageController.cs
+++ b/FrontendWebApi/ApiControllers/GraphManageController.cs
@@ -13,8 +13,8 @@ using System.IO;
 
 namespace FrontendWebApi.ApiControllers
 {
-    [Route("api/[controller]")]
-    [ApiController]
+    //[Route("api/[controller]")]
+    //[ApiController]
     public class GraphManageController : MyBaseApiController<GraphManageController>
     {
         private readonly IBackendRepository backendRepository;
@@ -61,7 +61,7 @@ namespace FrontendWebApi.ApiControllers
         }
 
         [HttpPost]
-        public async Task<ApiResult<List<Variable>>> SubSysList(int main_system_tag)
+        public async Task<ApiResult<List<Variable>>> SubSysList([FromBody] int main_system_tag)
         {
             ApiResult<List<Variable>> apiResult = new ApiResult<List<Variable>>();
             List<Variable> sub_system_list = new List<Variable>();
@@ -91,7 +91,7 @@ namespace FrontendWebApi.ApiControllers
 
         }
         [HttpPost]
-        public async Task<ApiResult<List<GraphList>>> GraManList(GraphInfo gi)
+        public async Task<ApiResult<List<GraphList>>> GraManList([FromBody] GraphInfo gi)
         {
             ApiResult<List<GraphList>> apiResult = new ApiResult<List<GraphList>>();
             List<GraphList> graManList = new List<GraphList>();
diff --git a/FrontendWebApi/Models/GraphManage.cs b/FrontendWebApi/Models/GraphManage.cs
index 950bca0..88ee01d 100644
--- a/FrontendWebApi/Models/GraphManage.cs
+++ b/FrontendWebApi/Models/GraphManage.cs
@@ -37,7 +37,7 @@ namespace FrontendWebApi.Models
     {
         public string code { get; set; }
         public string main_system_tag { get; set; }
-        public List<int> sub_system_tag { get; set; }
+        public List<int> sub_system_tag { get; set; } = new List<int>{ };
         public string keyWord { get; set; }
     }
 }