diff --git a/ruoyi-api/src/main/java/com/ruoyi/api/params/WaterDataParams.java b/ruoyi-api/src/main/java/com/ruoyi/api/params/WaterDataParams.java
index 6521ce5..d5fb455 100644
--- a/ruoyi-api/src/main/java/com/ruoyi/api/params/WaterDataParams.java
+++ b/ruoyi-api/src/main/java/com/ruoyi/api/params/WaterDataParams.java
@@ -8,6 +8,7 @@ import java.math.BigDecimal;
 @Data
 public class WaterDataParams {
 
+    @NotBlank(message = "站点ID不能为空")
     private Long stnmId;
 
     @NotBlank(message = "开始时间不能为空")