修复错误

PacsOnline_Wechat_Patient/src/main/java/com/zskk/controller/WeixinPayController.java

@@ -100,7 +100,7 @@ public class WeixinPayController extends Controller {
         String prepay_id = result.get("prepay_id");
 
         Map<String, String> packageParams = new HashMap<String, String>();
-        packageParams.put("appId", appid);
+        packageParams.put("appId", appId);
         packageParams.put("timeStamp", System.currentTimeMillis() / 1000 + "");
         packageParams.put("nonceStr", System.currentTimeMillis() + "");
         packageParams.put("package", "prepay_id=" + prepay_id);