diff --git a/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json b/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json
index 16a452a..8f7fbc3 100644
--- a/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json
+++ b/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json
@@ -107,7 +107,8 @@
   "FreeSqlProviderOptions": {
     "UsePrepayDB": false,
     "UseEnergyDB": false,
-    "PrintLog": false
+    "PrintLog": false,
+    "DataType": true
   },
   "OneNETSecureReceiveOptions": {
     "OneNETVerifySignatureToken": "SIcPQnpMgaFDmNlIjNmzq5smshz7cKrh",