解决空指针异常

src/main/java/cn/hnthyy/thmz/vo/ZyDailySettlementVo.java

@@ -377,6 +377,9 @@ public class ZyDailySettlementVo {
         //转账=deposit_qt  + return_qt + js_bk_qt  -  js_tk_qt
         zzAmount=depositQtAmount.add(returnQtAmount).add(jsbkQtAmount).subtract(jstkQtAmount);
         //total_charge- (js_cfbz+js_jz_yb+js_jz_mzyf)-(js_bk_ylk  -  js_tk_ylk )-( js_bk_cheque  -  js_tk_cheque )
+        if (totalCharge == null) {
+            totalCharge = BigDecimal.ZERO;
+        }
         fpxjAmount=totalCharge.subtract(jsCfbzAmount.add(ybjzAmount).add(jsjzMzyfAmount)).subtract(jsbkYlkAmount.subtract(jstkYlkAmount)).subtract(jsbkYbAmount.subtract(jstkYbAmount));
     }