diff --git a/json_prompt_modifier.py b/json_prompt_modifier.py
new file mode 100644
index 0000000..0059966
--- /dev/null
+++ b/json_prompt_modifier.py
@@ -0,0 +1,171 @@
+import json
+import os
+from typing import Dict, Any, Tuple, Optional
+from server import PromptServer
+import logging
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+class JSONPromptModifier:
+    """
+    ComfyUI节点：JSON-Prompt-Modifier
+    支持上传JSON提示词文件、编辑和导出（无翻译功能）
+    """
+    
+    def __init__(self):
+        self.current_data = {}
+        self.original_data = {}
+        self.file_path = ""
+    
+    @classmethod
+    def INPUT_TYPES(cls) -> Dict[str, Any]:
+        return {
+            "required": {
+                "file_path": ("STRING", {
+                    "default": "",
+                    "multiline": False,
+                    "placeholder": "选择JSON文件路径...",
+                    "tooltip": "JSON提示词文件的绝对路径"
+                }),
+                "operation": (["load", "save"], {
+                    "default": "load",
+                    "tooltip": "选择操作类型：加载/保存"
+                }),
+            },
+            "optional": {
+                "json_content": ("STRING", {
+                    "default": "{}",
+                    "multiline": True,
+                    "placeholder": "JSON内容将显示在这里...",
+                    "tooltip": "可编辑的JSON内容"
+                }),
+                "save_path": ("STRING", {
+                    "default": "",
+                    "multiline": False,
+                    "placeholder": "保存路径（可选）",
+                    "tooltip": "留空则使用原文件名_modified.json"
+                }),
+            },
+            "hidden": {
+                "unique_id": "UNIQUE_ID",
+                "extra_pnginfo": "EXTRA_PNGINFO",
+            }
+        }
+    
+    RETURN_TYPES = ("STRING", "JSON", "BOOLEAN")
+    RETURN_NAMES = ("json_string", "json_object", "success")
+    FUNCTION = "execute"
+    CATEGORY = "utils/prompt"
+    OUTPUT_NODE = True
+    
+    def execute(self, file_path: str, operation: str, 
+                json_content: str = "{}", save_path: str = "",
+                unique_id: Optional[str] = None, extra_pnginfo: Any = None) -> Tuple[str, Dict, bool]:
+        """
+        执行节点操作
+        """
+        try:
+            if operation == "load":
+                return self._load_json(file_path, unique_id)
+            elif operation == "save":
+                return self._save_json(json_content, file_path, save_path, unique_id)
+            else:
+                return ("{}", {}, False)
+                
+        except Exception as e:
+            error_msg = f"操作失败: {str(e)}"
+            logger.error(error_msg)
+            self._send_message(unique_id, "error", error_msg)
+            return ("{}", {}, False)
+    
+    def _load_json(self, file_path: str, unique_id: Optional[str]) -> Tuple[str, Dict, bool]:
+        """加载JSON文件"""
+        if not file_path or not os.path.exists(file_path):
+            error_msg = f"文件不存在: {file_path}"
+            self._send_message(unique_id, "error", error_msg)
+            return ("{}", {}, False)
+        
+        try:
+            with open(file_path, 'r', encoding='utf-8') as f:
+                content = f.read()
+                data = json.loads(content)
+            
+            self.original_data = data
+            self.current_data = data
+            self.file_path = file_path
+            
+            # 发送到前端显示
+            pretty_json = json.dumps(data, ensure_ascii=False, indent=2)
+            self._send_message(unique_id, "json_loaded", {
+                "content": pretty_json,
+                "filename": os.path.basename(file_path)
+            })
+            
+            logger.info(f"成功加载JSON文件: {file_path}")
+            return (pretty_json, data, True)
+            
+        except json.JSONDecodeError as e:
+            error_msg = f"JSON解析错误: {str(e)}"
+            self._send_message(unique_id, "error", error_msg)
+            return ("{}", {}, False)
+        except Exception as e:
+            error_msg = f"读取文件失败: {str(e)}"
+            self._send_message(unique_id, "error", error_msg)
+            return ("{}", {}, False)
+    
+    def _save_json(self, json_content: str, original_path: str, 
+                   save_path: str, unique_id: Optional[str]) -> Tuple[str, Dict, bool]:
+        """保存JSON文件"""
+        try:
+            data = json.loads(json_content) if json_content else {}
+            
+            # 确定保存路径
+            if not save_path:
+                if original_path:
+                    base, ext = os.path.splitext(original_path)
+                    save_path = f"{base}_modified{ext}"
+                else:
+                    save_path = "modified_prompt.json"
+            
+            # 确保目录存在
+            dir_path = os.path.dirname(save_path)
+            if dir_path:
+                os.makedirs(dir_path, exist_ok=True)
+            
+            with open(save_path, 'w', encoding='utf-8') as f:
+                json.dump(data, f, ensure_ascii=False, indent=2)
+            
+            self._send_message(unique_id, "json_saved", {
+                "path": save_path
+            })
+            
+            logger.info(f"成功保存JSON文件: {save_path}")
+            return (json_content, data, True)
+            
+        except Exception as e:
+            error_msg = f"保存失败: {str(e)}"
+            self._send_message(unique_id, "error", error_msg)
+            return ("{}", {}, False)
+    
+    def _send_message(self, unique_id: Optional[str], event_type: str, data: Any):
+        """发送消息到前端"""
+        if unique_id and PromptServer.instance:
+            try:
+                PromptServer.instance.send_sync("json_prompt_modifier", {
+                    "node_id": unique_id,
+                    "type": event_type,
+                    "data": data
+                })
+            except Exception as e:
+                logger.error(f"发送消息失败: {e}")
+
+
+# 注册节点
+NODE_CLASS_MAPPINGS = {
+    "JSON-Prompt-Modifier": JSONPromptModifier
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "JSON-Prompt-Modifier": "JSON-Prompt-Modifier 📝"
+}