diff --git a/pkg/utils/pdf.go b/pkg/utils/pdf.go
index af5f4c9b..9d62fd9c 100644
--- a/pkg/utils/pdf.go
+++ b/pkg/utils/pdf.go
@@ -617,17 +617,17 @@ func QuestionnaireSurveyPDF(templatePath, outputPath string, data *model.Questio
 		return fmt.Errorf("设置字体失败: %w", err)
 	}
 
-	startTime, err := time.Parse("2006-01-02", data.BundleStartDate)
+	startTime, err := parseFlexibleDate(data.BundleStartDate)
 	if err != nil {
 		return fmt.Errorf("BundleStartDate格式错误: %w", err)
 	}
-	endTime, err := time.Parse("2006-01-02", data.BundleEndDate)
+	endTime, err := parseFlexibleDate(data.BundleEndDate)
 	if err != nil {
 		return fmt.Errorf("BundleEndDate格式错误: %w", err)
 	}
-	submissionDate, err := time.Parse("2006-01-02", data.SubmissionDate)
+	submissionDate, err := parseFlexibleDate(data.SubmissionDate)
 	if err != nil {
-		return fmt.Errorf("submissionDate格式错误: %w", err)
+		return fmt.Errorf("SubmissionDate格式错误: %w", err)
 	}
 	nowTime := time.Now().Format(time.DateTime)
 	onePage := 1
@@ -868,3 +868,26 @@ func scoreStars(score int) string {
 		return "★★★★★"
 	}
 }
+func parseFlexibleDate(value string) (time.Time, error) {
+	v := strings.TrimSpace(value)
+	if v == "" {
+		return time.Time{}, fmt.Errorf("日期为空")
+	}
+
+	layouts := []string{
+		"2006-01-02",
+		time.RFC3339,
+		"2006-01-02 15:04:05",
+		"2006-01-02 15:04",
+	}
+
+	var lastErr error
+	for _, layout := range layouts {
+		t, err := time.Parse(layout, v)
+		if err == nil {
+			return t, nil
+		}
+		lastErr = err
+	}
+	return time.Time{}, fmt.Errorf("不支持的日期格式: %s, %w", v, lastErr)
+}