diff --git a/Services/FortranInteropService.cs b/Services/FortranInteropService.cs
index 3cfcd63..7b7008d 100644
--- a/Services/FortranInteropService.cs
+++ b/Services/FortranInteropService.cs
@@ -36,10 +36,10 @@ namespace FortranWebApi.Services
         private static extern void SUB_SHUILIANGJISUAN(
             ref int NDATA,
             ref float LONG,
-            ref int INbd,
-            ref int INzd,
-            ref int INsm,
-            ref int INrough,
+            ref float INbd,
+            ref float INzd,
+            ref float INsm,
+            ref float INrough,
             ref float ZZ0,
             ref int DB,
             float[] UQ,
@@ -75,10 +75,10 @@ namespace FortranWebApi.Services
                 // 提取参数
                 int NDATA = GetIntParameter(parameters, "NDATA");
                 float LONG = GetFloatParameter(parameters, "LONG");
-                int INbd = GetIntParameter(parameters, "INbd");
-                int INzd = GetIntParameter(parameters, "INzd");
-                int INsm = GetIntParameter(parameters, "INsm");
-                int INrough = GetIntParameter(parameters, "INrough");
+                float INbd = GetFloatParameter(parameters, "INbd");
+                float INzd = GetFloatParameter(parameters, "INzd");
+                float INsm = GetFloatParameter(parameters, "INsm");
+                float INrough = GetFloatParameter(parameters, "INrough");
                 float ZZ0 = GetFloatParameter(parameters, "ZZ0");
                 int DB = GetIntParameter(parameters, "DB");
                 float[] UQ = GetFloatArrayParameter(parameters, "UQ");