diff --git a/openai_llm_node.py b/openai_llm_node.py
index d24f3f0..12b3e52 100644
--- a/openai_llm_node.py
+++ b/openai_llm_node.py
@@ -19,7 +19,7 @@ class OpenAICompatibleLLM:
     """
     
     def __init__(self):
-        pass
+        self.seed = None
     
     @classmethod
     def INPUT_TYPES(cls):
@@ -47,6 +47,15 @@ class OpenAICompatibleLLM:
                     "max": 2.0,
                     "step": 0.01
                 }),
+                "seed": ("INT", {
+                    "default": 0,
+                    "min": 0,
+                    "max": 0xffffffffffffffff,
+                    "display": "number"
+                }),
+                "seed_control": (["fixed", "increment", "decrement", "randomize"], {
+                    "default": "randomize"
+                }),
             },
             "optional": {
                 "image": ("IMAGE",),
@@ -86,12 +95,29 @@ class OpenAICompatibleLLM:
         
         return f"data:image/png;base64,{img_base64}"
     
-    def generate(self, prompt, endpoint, model, max_tokens, temperature, 
+    def generate(self, prompt, endpoint, model, max_tokens, temperature, seed, seed_control,
                  image=None, api_key=None, image_detail="auto"):
         """
         调用 OpenAI 兼容的 API 生成响应
         """
         
+        # 处理 seed 控制
+        if seed_control == "randomize":
+            seed = np.random.randint(0, 0xffffffffffffffff)
+        elif seed_control == "increment":
+            if self.seed is not None:
+                seed = (self.seed + 1) % 0xffffffffffffffff
+            else:
+                seed = seed
+        elif seed_control == "decrement":
+            if self.seed is not None:
+                seed = (self.seed - 1) % 0xffffffffffffffff
+            else:
+                seed = seed
+        # fixed 模式使用传入的 seed
+        
+        self.seed = seed
+        
         # 构建消息内容
         if image is not None:
             # 如果有图片输入，使用视觉模型的格式
@@ -124,7 +150,8 @@ class OpenAICompatibleLLM:
                 }
             ],
             "max_tokens": max_tokens,
-            "temperature": temperature
+            "temperature": temperature,
+            "seed": seed
         }
         
         # 设置请求头