diff --git a/src/main/ipc/validation-handler.ts b/src/main/ipc/validation-handler.ts
index 80d3f82..7cca723 100644
--- a/src/main/ipc/validation-handler.ts
+++ b/src/main/ipc/validation-handler.ts
@@ -291,12 +291,38 @@ export function registerValidationHandlers(): void {
 
             sourceNumbers = await getSourceNumbersFromInputs(sharedIds, dbService)
             log.info(`Got ${sourceNumbers.length} source numbers from shared Production IDs`)
+
+            // Check if we got any order numbers from the shared Production IDs
+            if (sourceNumbers.length === 0) {
+              return {
+                success: false,
+                error: '共享的 Production ID 没有找到对应的订单数据。请确保在数据提取页面输入了有效的 Production ID 并成功获取了订单数据。',
+                stats: {
+                  totalRecords: 0,
+                  matchedCount: 0,
+                  markedCount: 0
+                }
+              }
+            }
           } else if (request.productionIdFile) {
             // Read from file
             const inputs = readProductionIds(request.productionIdFile)
             log.info(`Read ${inputs.length} inputs from file`)
             sourceNumbers = await getSourceNumbersFromInputs(inputs, dbService)
             log.info(`Got ${sourceNumbers.length} source numbers`)
+
+            // Check if we got any order numbers from the file
+            if (sourceNumbers.length === 0) {
+              return {
+                success: false,
+                error: '文件中的 Production ID 没有找到对应的订单数据。请检查 Production ID 是否正确，或确保数据库中有对应的订单数据。',
+                stats: {
+                  totalRecords: 0,
+                  matchedCount: 0,
+                  markedCount: 0
+                }
+              }
+            }
           }
         }
 
@@ -316,7 +342,7 @@ export function registerValidationHandlers(): void {
         if (materialRecords.length === 0) {
           return {
             success: false,
-            error: 'No material records found',
+            error: '未找到物料记录。请检查数据库中是否有对应订单的物料数据。',
             stats: {
               totalRecords: 0,
               matchedCount: 0,