diff --git a/hikyuu/interactive/kaufman.py b/hikyuu/interactive/kaufman.py
index d6ec2370..413d67b9 100644
--- a/hikyuu/interactive/kaufman.py
+++ b/hikyuu/interactive/kaufman.py
@@ -79,7 +79,7 @@ def draw(stock, query = Query(-130),
         slow_op = EMA(n = 2*n)(fast_op)
         sg = SG_Cross(fast_op, slow_op)
         sg.plot(axes = ax1, kdata = kdata)
-        ind = slow_op(KDATA(kdata))
+        ind = slow_op(kdata)
         ind.name = "EMA(CAMA)"
         ind.plot(axes = ax1, color = 'm', legend_on = True)
                  
diff --git a/hikyuu_cpp/hikyuu/indicator/imp/Vigor.cpp b/hikyuu_cpp/hikyuu/indicator/imp/Vigor.cpp
index c66de4b8..154d1ef3 100644
--- a/hikyuu_cpp/hikyuu/indicator/imp/Vigor.cpp
+++ b/hikyuu_cpp/hikyuu/indicator/imp/Vigor.cpp
@@ -18,7 +18,7 @@ Vigor::Vigor(): IndicatorImp("VIGOR", 1) {
 }
 
 Vigor::Vigor(int n): IndicatorImp() {
-    setParam<int>("n", 2);
+    setParam<int>("n", n);
 }
 
 
diff --git a/hikyuu_pywrap/indicator/_Indicator.cpp b/hikyuu_pywrap/indicator/_Indicator.cpp
index 622be0a7..4dab88ab 100644
--- a/hikyuu_pywrap/indicator/_Indicator.cpp
+++ b/hikyuu_pywrap/indicator/_Indicator.cpp
@@ -62,6 +62,7 @@ void export_Indicator() {
         .def("get", &Indicator::get, get_overloads())
         .def("getResult", &Indicator::getResult)
         .def("getResultAsPriceList", &Indicator::getResultAsPriceList)
+        .def("getCurrentKData", &Indicator::getCurrentKData)
         .def("__len__", &Indicator::size)
         .def("__call__", &Indicator::operator())
 #if HKU_PYTHON_SUPPORT_PICKLE