From 58f4f47e7b63ecd78a3467d537354926c6a39b3a Mon Sep 17 00:00:00 2001
From: PandaX <18610165312@163.com>
Date: Fri, 24 Nov 2023 13:29:46 +0800
Subject: [PATCH] =?UTF-8?q?[fix]=20=E9=81=A5=E6=B5=8B=E6=A8=A1=E5=9E=8B?=
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---
 apps/device/api/product_template.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/apps/device/api/product_template.go b/apps/device/api/product_template.go
index 681bb34..06de658 100644
--- a/apps/device/api/product_template.go
+++ b/apps/device/api/product_template.go
@@ -58,11 +58,13 @@ func (p *ProductTemplateApi) InsertProductTemplate(rc *restfulx.ReqCtx) {
 	data.Id = model2.GenerateID()
 	if data.Classify == entity.ATTRIBUTES_TSL || data.Classify == entity.TELEMETRY_TSL {
 		// 向超级表及子表中添加字段
-		len := 0
+		len := 100
 		stable := data.Pid + "_" + data.Classify
 		if data.Classify == entity.TELEMETRY_TSL {
 			if data.Type == "string" {
-				len = int(data.Define["length"].(int64))
+				if maxLength, ok := data.Define["maxLength"].(float64); ok {
+					len = int(maxLength)
+				}
 			}
 		}
 		err := global.TdDb.AddSTableField(stable, data.Key, data.Type, len)