diff --git a/backend/app/agent/agent_service.py b/backend/app/agent/agent_service.py
index 2180909..6c1d2ca 100644
--- a/backend/app/agent/agent_service.py
+++ b/backend/app/agent/agent_service.py
@@ -189,26 +189,12 @@ class AIAgentService:
                     }
         # 处理普通 token
         elif token_content:
-            # 如果内容较长，拆成单个字符模拟流式效果
-            if len(token_content) > 1:
-                import asyncio
-                for char in token_content:
-                    yield {
-                        "type": "llm_token",
-                        "node": node_name,
-                        "token": char,
-                        "reasoning_token": reasoning_token
-                    }
-                    # 短暂暂停，模拟打字效果
-                    await asyncio.sleep(0.01)
-            else:
-                # 内容较短，直接发送
-                yield {
-                    "type": "llm_token",
-                    "node": node_name,
-                    "token": token_content,
-                    "reasoning_token": reasoning_token
-                }
+            yield {
+                "type": "llm_token",
+                "node": node_name,
+                "token": token_content,
+                "reasoning_token": reasoning_token
+            }
 
         # 返回更新后的 current_node
         yield {"type": "_update_state", "current_node": new_current_node}