diff --git a/app/core/config.py b/app/core/config.py
index 02b50655..5636534a 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -432,7 +432,7 @@ class ConfigModel(BaseModel):
     # LLM温度参数
     LLM_TEMPERATURE: float = 0.1
     # LLM最大迭代次数
-    LLM_MAX_ITERATIONS: int = 15
+    LLM_MAX_ITERATIONS: int = 128
     # LLM工具调用超时时间（秒）
     LLM_TOOL_TIMEOUT: int = 300
     # 是否启用详细日志