diff --git a/src/my/addDetector.vue b/src/my/addDetector.vue
index e136f14..06a7717 100644
--- a/src/my/addDetector.vue
+++ b/src/my/addDetector.vue
@@ -423,7 +423,7 @@ function next() {
     // 发起添加设备请求
     const data = {
       serialNum: Number(params.devNum),
-      pondId: Number(params.pondId[0]),
+      pondId: String(params.pondId[0]), // 转为字符串保持精度
       salinityCompensation: waterType.value == 1 ? 0 : Number(salt.value),
       oxyWarnLower: Number(alarm.value),
     };