修复bug

app/service/change.js

@@ -198,7 +198,7 @@ module.exports = app => {
                                     samount: '',
                                     gcl_id: '',
                                     mx_id: '',
-                                    spamount: p.camount,
+                                    spamount: p.samount,
                                     detail: '',
                                     xmj_code: null,
                                     xmj_jldy: null,