fix pyruntime

src/AntSK.Domain/Domain/Other/Bge/BegRerankConfig.cs

@@ -26,12 +26,7 @@ public static dynamic LoadModel(string pythondllPath, string modelName)
             {
                 if (model == null)
                 {
-                    if (string.IsNullOrEmpty(Runtime.PythonDLL))
-                    {
-                        Runtime.PythonDLL = pythondllPath;
-                    }
-                    PythonEngine.Initialize();
-                    PythonEngine.BeginAllowThreads();
+                    PyRunTime.InitRunTime(pythondllPath);
                     try
                     {
                         using (GIL())// 初始化Python环境的Global Interpreter Lock)

src/AntSK.Domain/Domain/Other/Bge/BgeEmbeddingConfig.cs

@@ -28,13 +28,7 @@ public static dynamic LoadModel(string pythondllPath, string modelName)
             {
                 if (model == null)
                 {
-                    //Runtime.PythonDLL = @"D:\Programs\Python\Python311\python311.dll";
-                    if (string.IsNullOrEmpty(Runtime.PythonDLL))
-                    {
-                        Runtime.PythonDLL = pythondllPath;
-                    }
-                    PythonEngine.Initialize();
-                    PythonEngine.BeginAllowThreads();
+                    PyRunTime.InitRunTime(pythondllPath);
                     try
                     {
                         using (GIL())// 初始化Python环境的Global Interpreter Lock)

src/AntSK.Domain/Domain/Other/Bge/PyRunTime.cs

@@ -0,0 +1,28 @@
+using Python.Runtime;
+
+namespace AntSK.Domain.Domain.Other.Bge
+{
+    public static class PyRunTime
+    {
+        static object lockobj = new object();
+
+        static bool isInit = false;
+
+        public static void InitRunTime(string pythonPath)
+        {
+            lock (lockobj)
+            {
+                if (!isInit)
+                {
+                    if (string.IsNullOrEmpty(Runtime.PythonDLL))
+                    {
+                        Runtime.PythonDLL = pythonPath;
+                    }
+                    PythonEngine.Initialize();
+                    PythonEngine.BeginAllowThreads();
+                    isInit = true;
+                }
+            }
+        }
+    }
+}