diff --git a/基本信用评级指标/规模/净资产.py b/基本信用评级指标/规模/净资产.py
index fa107c1..61a6400 100644
--- a/基本信用评级指标/规模/净资产.py
+++ b/基本信用评级指标/规模/净资产.py
@@ -1,7 +1,7 @@
 from fastapi import APIRouter
 from pydantic import BaseModel
 
-INDEX = "净资本（亿元）"
+INDEX = "净资产（亿元）"
 
 router = APIRouter()
 
diff --git a/基本信用评级指标/规模/净资本.py b/基本信用评级指标/规模/净资本.py
new file mode 100644
index 0000000..d2d73a4
--- /dev/null
+++ b/基本信用评级指标/规模/净资本.py
@@ -0,0 +1,21 @@
+from fastapi import APIRouter
+from pydantic import BaseModel
+
+INDEX = "净资本（亿元）"
+
+router = APIRouter()
+
+
+class Params(BaseModel):
+    净资本: float
+
+
+# 计算接口
+@router.post("/{}".format(INDEX))
+def func(p: Params):
+    try:
+        result = p.净资本 / 100000000
+        return round(result, 2)
+
+    except Exception:
+        return "计算错误"