diff --git a/models/payfee.json b/models/payfee.json
index 357263b..8fe5ffc 100644
--- a/models/payfee.json
+++ b/models/payfee.json
@@ -25,7 +25,8 @@
             "name": "fee_rate",
             "title": "费率",
             "type": "float",
-            "length": 18
+            "length": 18,
+            "dec": 2
         },
         {
             "name": "enabled_date",
diff --git a/models/payment_log.json b/models/payment_log.json
index bb0ba87..3176866 100644
--- a/models/payment_log.json
+++ b/models/payment_log.json
@@ -44,19 +44,22 @@
             "name": "amount_total",
             "title": "支付金额",
             "type": "float",
-            "length": 20
+            "length": 20,
+            "dec": 2
         },
         {
             "name": "pay_feerate",
             "title": "支付费率",
             "type": "float",
-            "length": 20
+            "length": 20,
+            "dec": 2
         },
         {
             "name": "pay_fee",
             "title": "支付费用",
             "type": "float",
-            "length": 20
+            "length": 20,
+            "dec": 2
         },
         {
             "name": "payer_client_ip",
diff --git a/models/transfercode.json b/models/transfercode.json
index de8ec2b..5ad0af2 100644
--- a/models/transfercode.json
+++ b/models/transfercode.json
@@ -26,7 +26,8 @@
             "name": "amount",
             "title": "金额",
             "type": "float",
-            "length": 20
+            "length": 20,
+            "dec": 2
         },
         {
             "name": "tcode",