diff --git a/frontend/src/api/aireport/testReport/interface/index.ts b/frontend/src/api/aireport/testReport/interface/index.ts
index a777e03..3ce2e4f 100644
--- a/frontend/src/api/aireport/testReport/interface/index.ts
+++ b/frontend/src/api/aireport/testReport/interface/index.ts
@@ -53,7 +53,7 @@ export namespace ReportTask {
         createUnit: string
         contractNumber: string
         standard: string[]
-        data: string
+        data: Record<string, unknown> | unknown[]
         batchId?: string
         phonenumber?: string
     }
diff --git a/frontend/src/views/aireport/testReport/components/ReportTaskFormDialog.vue b/frontend/src/views/aireport/testReport/components/ReportTaskFormDialog.vue
index d21afcc..9770328 100644
--- a/frontend/src/views/aireport/testReport/components/ReportTaskFormDialog.vue
+++ b/frontend/src/views/aireport/testReport/components/ReportTaskFormDialog.vue
@@ -288,7 +288,7 @@ const formModel = reactive({
     createUnit: '',
     contractNumber: '',
     standardIds: [] as string[],
-    data: '',
+    data: '{}',
     phonenumber: ''
 })
 
@@ -388,7 +388,7 @@ const resetForm = () => {
     formModel.createUnit = ''
     formModel.contractNumber = ''
     formModel.standardIds = []
-    formModel.data = ''
+    formModel.data = '{}'
     formModel.phonenumber = ''
     activeDraftId.value = ''
     currentStep.value = 'import'
@@ -435,7 +435,7 @@ const fillForm = async () => {
         formModel.createUnit = record?.createUnit || ''
         formModel.contractNumber = record?.contractNumber || ''
         formModel.standardIds = parseReportTaskStandardIds(record?.standard)
-        formModel.data = record?.data || ''
+        formModel.data = record?.data || '{}'
         formModel.phonenumber = record?.phonenumber || ''
 
         activeDraftId.value = buildDraftId()
@@ -557,7 +557,7 @@ const submitForm = async () => {
         createUnit: formModel.createUnit,
         contractNumber: formModel.contractNumber.trim(),
         standard: stringifyReportTaskStandardIds(formModel.standardIds),
-        data: formModel.data.trim(),
+        data: JSON.parse(formModel.data.trim() || '{}'),
         batchId: ledgerPreparedState.value.batchId || undefined,
         phonenumber: formModel.phonenumber.trim() || undefined
     })
diff --git a/frontend/src/views/aireport/testReport/utils/testReportForm.ts b/frontend/src/views/aireport/testReport/utils/testReportForm.ts
index 03161d6..40b93dd 100644
--- a/frontend/src/views/aireport/testReport/utils/testReportForm.ts
+++ b/frontend/src/views/aireport/testReport/utils/testReportForm.ts
@@ -22,7 +22,7 @@ export const createDefaultReportTaskFormModel = (): ReportTaskFormModel => ({
     createUnit: '',
     contractNumber: '',
     standardIds: [],
-    data: '',
+    data: '{}',
     phonenumber: ''
 })
 
@@ -45,7 +45,7 @@ export const buildReportTaskFormContext = (mode: 'create' | 'edit', record: Repo
     formModel.createUnit = record?.createUnit || ''
     formModel.contractNumber = record?.contractNumber || ''
     formModel.standardIds = parseReportTaskStandardIds(record?.standard)
-    formModel.data = record?.data || ''
+    formModel.data = record?.data || '{}'
     formModel.phonenumber = record?.phonenumber || ''
 
     return {
@@ -67,6 +67,6 @@ export const buildReportTaskSavePayload = (
     createUnit: formModel.createUnit,
     contractNumber: formModel.contractNumber.trim(),
     standard: stringifyReportTaskStandardIds(formModel.standardIds),
-    data: formModel.data.trim(),
+    data: JSON.parse(formModel.data.trim() || '{}'),
     phonenumber: formModel.phonenumber.trim() || undefined
 })