diff --git a/packages/ml/client/index.tsx b/packages/ml/client/index.tsx
index 7ef2674d8..fe7269a88 100644
--- a/packages/ml/client/index.tsx
+++ b/packages/ml/client/index.tsx
@@ -47,11 +47,17 @@ const createModal = () => {
   const model = tf.sequential()
 
   model.add(tf.layers.dense({
-    units: 1,
+    units: 4,
     useBias: true,
     activation: 'linear',
     inputDim: 1
   }))
+
+  const optimizer = tf.train.sgd(0.1)
+  model.compile({
+    loss: "meanSquaredError",
+    optimizer
+  })
   return model
 }
 const tfTensor = async () => {
@@ -88,10 +94,13 @@ const tfTensor = async () => {
   // 分割测试集和训练集
   const [trainingFeatureTensor, testingFeatureTensor] = tf.split(normaliseFeatureTensor.tensor, 2)
   const [trainingLabelTensor, testingLabelTensor] = tf.split(normaliseLabelTensor.tensor, 2)
-  // 创建模型
+  // 创建模型 
   const modal = createModal()
   modal.summary()
   tfvis.show.modelSummary({ name: "Modal summary" }, modal)
+  // 了解 layer
+  const layer = modal.getLayer(undefined, 0)
+  tfvis.show.layer({ name: "Layer 1" }, layer)
 }
 
 const App = () => {