diff --git a/src/components/DenseFramework.vue b/src/components/DenseFramework.vue
index d85407c..2d45584 100644
--- a/src/components/DenseFramework.vue
+++ b/src/components/DenseFramework.vue
@@ -26,9 +26,19 @@ const urlRef = computed(() => {
   return props.imageQuery
 })
 
-const { onFetchResponse, onFetchError, isFetching, execute } = baseFetch(
+const { onFetchResponse, isFetching, execute } = baseFetch(
   urlRef,
-  { immediate: false },
+  { immediate: false, updateDataOnError: true, onFetchError: async ({ error, data, response }) => {
+    // same as afterFetch
+    imageResult.result = 'error'
+    const rawErrorMsg = (await response?.json()).error.message as string ?? '未知错误'
+    if (rawErrorMsg.includes('Improper input')) {
+      imageResult.message = '数据异常，无法拟合. 请使用其他时间段再试'
+      return { error, data }
+    }
+    imageResult.message = rawErrorMsg ?? '未知错误'
+    return { error, data }
+  } },
 )
 watch(isFetching, (fetching) => {
   if (fetching) {
@@ -51,11 +61,6 @@ onFetchResponse(async (resp) => {
   }
 })
 
-onFetchError(async (error) => {
-  imageResult.result = 'error'
-  imageResult.message = error
-})
-
 function download() {
   if (imageResult.result === 'success') {
     const a = document.createElement('a')
diff --git a/src/components/dense/saber/plot_wave_fitting.vue b/src/components/dense/saber/plot_wave_fitting.vue
index 8daca8f..8b39037 100644
--- a/src/components/dense/saber/plot_wave_fitting.vue
+++ b/src/components/dense/saber/plot_wave_fitting.vue
@@ -33,7 +33,7 @@ const urll = computed(() => {
   query.set('path', selected.path)
   query.set('day', selected.day)
   query.set('height_no', selected.height_no.toString())
-  query.set('lat_ranges', selected.lat_ranges)
+  query.set('lat_range', selected.lat_ranges)
   return `/saber/render/gravity_wave/per_day/wave_fitting?${query}`
 })