init

src/pages/DetailPage/DetailPage.tsx

@@ -81,6 +81,17 @@ class DetailPage extends React.Component<any, any> {
             return;
         }
 
+        if(+buyInput * 100 < this.state.minBuyLimit){
+            Toast.show("低于起购价");
+            return;
+        }
+
+        const div = +buyInput * 100 / this.state.minBuyLimit;
+        if(div !== Math.floor(div)){
+            Toast.show("按起购倍数递增哦～");
+            return;
+        }
+
         if (+buyInput * 100 > this.state.availableFunds) {
             Toast.show("超出买入上限啦");
             return;