diff --git a/handler/tool.go b/handler/tool.go
index a5761e7..fa9a3d1 100644
--- a/handler/tool.go
+++ b/handler/tool.go
@@ -516,7 +516,7 @@ func CreateSparkPPT(c *gin.Context) {
 		base.SessionID = req.SessionID
 		pptresp, err2 := spark.SparkDoCreatePPTByOutline(&req, &base)
 		if err2 != nil {
-			c.JSON(http.StatusOK, gin.H{"error": "create ppt error:" + err.Error(), "code": proto.ParameterError, "message": "failed"})
+			c.JSON(http.StatusOK, gin.H{"error": "create ppt error:" + err2.Error(), "code": proto.ParameterError, "message": "failed"})
 			return
 		} else {
 			c.JSON(http.StatusOK, gin.H{"code": proto.SuccessCode, "message": "success", "data": pptresp})