diff --git a/schemas/project/project_base.py b/schemas/project/project_base.py
index 3671993..fe2a01a 100644
--- a/schemas/project/project_base.py
+++ b/schemas/project/project_base.py
@@ -304,6 +304,7 @@ class ProjectSettlementInvestment(BaseModel):
     """
     PROJECT_SETTLEMENT_INVESTMENT
     合同结算投资情况
+    只有抽蓄-水电-煤电-气电项目类型可操作
     """
 
     implementation_estimate: float = Field(..., description="执行概算", examples=[80000.0])