diff --git a/common/group-ratio.go b/common/group-ratio.go
index 0a9cf4ba..b9efbdad 100644
--- a/common/group-ratio.go
+++ b/common/group-ratio.go
@@ -17,6 +17,7 @@ func GroupRatio2JSONString() string {
 }
 
 func UpdateGroupRatioByJSONString(jsonStr string) error {
+	GroupRatio = make(map[string]float64)
 	return json.Unmarshal([]byte(jsonStr), &GroupRatio)
 }
 
diff --git a/common/model-ratio.go b/common/model-ratio.go
index bc7e7be3..fc982491 100644
--- a/common/model-ratio.go
+++ b/common/model-ratio.go
@@ -39,6 +39,7 @@ func ModelRatio2JSONString() string {
 }
 
 func UpdateModelRatioByJSONString(jsonStr string) error {
+	ModelRatio = make(map[string]float64)
 	return json.Unmarshal([]byte(jsonStr), &ModelRatio)
 }
 
diff --git a/web/src/components/ChannelsTable.js b/web/src/components/ChannelsTable.js
index 90f2a1f2..6cc394f8 100644
--- a/web/src/components/ChannelsTable.js
+++ b/web/src/components/ChannelsTable.js
@@ -29,7 +29,7 @@ function renderType(type) {
 
 function renderBalance(type, balance) {
   if (type === 5) {
-    return <span>{balance.toFixed(2)}</span>
+    return <span>¥{(balance / 10000).toFixed(2)}</span>
   }
   return <span>${balance.toFixed(2)}</span>
 }