diff --git a/doc/api/transfercastile.api b/doc/api/transfercastile.api
index d1ff4cb..3cb496f 100644
--- a/doc/api/transfercastile.api
+++ b/doc/api/transfercastile.api
@@ -44,8 +44,8 @@ type TransferCastileToGameListResp {
 }
 
 type UserCastileBalanceResp {
-	TotalCastile   int `json:total_castile` //总数
-	TransferAmount int `json:transfer_amount` //已转回游戏内的数量
-	TotalBalance   int `json:total_balance` //castile当前余额
+	TotalCastile   int `json:"total_castile"` //总数
+	TransferAmount int `json:"transfer_amount"` //已转回游戏内的数量
+	TotalBalance   int `json:"total_balance"` //castile当前余额
 }
 
diff --git a/doc/swagger/nova.json b/doc/swagger/nova.json
index 33bad16..f70ed84 100644
--- a/doc/swagger/nova.json
+++ b/doc/swagger/nova.json
@@ -895,6 +895,28 @@
         ]
       }
     },
+    "/gapi/transfercastile/v1/getBalance": {
+      "post": {
+        "summary": "查询castile代币余额",
+        "operationId": "GetCastileBalance",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/UserCastileBalanceResp"
+            }
+          }
+        },
+        "tags": [
+          "transfercastile"
+        ],
+        "security": [
+          {
+            "apiKey": []
+          }
+        ]
+      }
+    },
     "/gapi/transfercastile/v1/list": {
       "post": {
         "summary": "获取提取castile到游戏的记录",
@@ -2068,6 +2090,32 @@
         "email"
       ]
     },
+    "UserCastileBalanceResp": {
+      "type": "object",
+      "properties": {
+        "total_castile": {
+          "type": "integer",
+          "format": "int32",
+          "description": "总数"
+        },
+        "transfer_amount": {
+          "type": "integer",
+          "format": "int32",
+          "description": "已转回游戏内的数量"
+        },
+        "total_balance": {
+          "type": "integer",
+          "format": "int32",
+          "description": "castile当前余额"
+        }
+      },
+      "title": "UserCastileBalanceResp",
+      "required": [
+        "total_castile",
+        "transfer_amount",
+        "total_balance"
+      ]
+    },
     "UserNft": {
       "type": "object",
       "properties": {
diff --git a/internal/types/types.go b/internal/types/types.go
index 9a973f6..4e42ab5 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -277,9 +277,9 @@ type UnlockChapterReq struct {
 }
 
 type UserCastileBalanceResp struct {
-	TotalCastile   int `json:total_castile`   //总数
-	TransferAmount int `json:transfer_amount` //已转回游戏内的数量
-	TotalBalance   int `json:total_balance`   //castile当前余额
+	TotalCastile   int `json:"total_castile"`   //总数
+	TransferAmount int `json:"transfer_amount"` //已转回游戏内的数量
+	TotalBalance   int `json:"total_balance"`   //castile当前余额
 }
 
 type UserNft struct {