diff --git a/YLErpDAL/Modules/SwapModule/SwapDealService.cs b/YLErpDAL/Modules/SwapModule/SwapDealService.cs
index 70a5e50e..05d0a372 100644
--- a/YLErpDAL/Modules/SwapModule/SwapDealService.cs
+++ b/YLErpDAL/Modules/SwapModule/SwapDealService.cs
@@ -712,7 +712,7 @@ namespace YLErp.Modules.SwapModule
                 }
 
                 // 获取利率
-                decimal rate = GetFixedRate(position, unwindDate);
+                decimal rate = Math.Round(GetFixedRate(position, unwindDate), InterestCalculationPrecision, MidpointRounding.AwayFromZero); // 做精度调整 原数据有精度误差
                 decimal floatRate = GetFloatRate(position, preEodPosition, td.StartDate.Value, endDate, interestPeriod, swap, positionClone);
 
                 // 根据场景计算利息
diff --git a/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapPricePrecisionHelper.js b/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapPricePrecisionHelper.js
index 6ff80ccc..fa37a9da 100644
--- a/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapPricePrecisionHelper.js
+++ b/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapPricePrecisionHelper.js
@@ -42,7 +42,7 @@ var swapPricePrecision = (function (global) {
         FixingRepoRate: { integerDigits: 2, precision: 4 },
         RateYield: {integerDigits: 6, precision: 8},
         BondIndex: {integerDigits: 6, precision: 4},
-        // TODO: Add InterestYield, BondIndex and GoldFutures after their enum values are confirmed.
+        
     });
 
     function normalizeDecimal(value) {
@@ -265,6 +265,7 @@ var swapPricePrecision = (function (global) {
             return rule ? Object.assign({}, options, rule) : Object.assign({}, options);
         },
         format: format,
+        roundDecimal: roundDecimal,
         roundForSubmit: function (value, instrumentType, field, storagePrecisionOffset) {
             const rule = getRule(instrumentType, field);
             if (value === null || value === undefined || value === '' || !rule) return value;
diff --git a/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapTradeEdit.js b/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapTradeEdit.js
index 7f0e627c..7500c3fd 100644
--- a/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapTradeEdit.js
+++ b/YLErpWeb/wwwroot/Scripts/app/swaptrade/swapTradeEdit.js
@@ -20,6 +20,18 @@ const inputFormatPosiFeeUnit = Object.freeze({ precision: 6, negative: true, app
 const inputFormatMarginRate = Object.freeze({ precision: otcformat.trading.marginRateP.precision, append: '%' });
 const inputFormatSwapDeliveryPrice = Object.freeze({ precision: 9, negative: true, append: '', percent: false });
 const consPosiFeeType = Object.freeze({ Percent: 0, Unit: 1 });
+const observationRatePrecision = 12;
+const roundObservationRate = function (value) {
+    const rounded = swapPricePrecision.roundDecimal(value, observationRatePrecision);
+    return rounded === null || rounded === '' ? value : rounded;
+};
+const observationRateFromPercent = function (value) {
+    const rate = roundObservationRate(swapPricePrecision.shiftDecimal(value, -2));
+    return rate === null || rate === '' ? value : Number(rate);
+};
+const observationRateTextFromPercent = function (value) {
+    return roundObservationRate(swapPricePrecision.shiftDecimal(value, -2));
+};
 const swapPosiFeeCalc = Object.freeze({
     normalizeFeeType(feeType) {
         return Number(feeType) === consPosiFeeType.Unit ? consPosiFeeType.Unit : consPosiFeeType.Percent;
@@ -712,6 +724,15 @@ const vue = new Vue({
             if (this.trade.trade_extend.ExtendObj.InterestCalcMode == "00" || this.trade.trade_extend.ExtendObj.InterestCalcMode == "10") {
                 date = moment(date).add(-1, 'days').format('YYYY-MM-DD');
             }
+            const serializeSwapIntervals = function (position) {
+                position.SwapIntervalList.forEach(interval => {
+                    const rate = roundObservationRate(interval.Rate);
+                    if (rate !== null && rate !== '') {
+                        interval.Rate = Number(rate);
+                    }
+                });
+                position.InterestSwapInterval = JSON.stringify(position.SwapIntervalList);
+            };
             this.getSwapList.forEach((x,index) => {
                 if ((x.UnderlyingCode == null || x.UnderlyingCode.length == 0) && x.SwapIntervalList.length == 0) {
                     var interval = {
@@ -727,7 +748,7 @@ const vue = new Vue({
                     return false;
                 }
                 x.FloatRateUnderlyingCode = x.FloatRateUnderlyingCode == "--" ? null : x.FloatRateUnderlyingCode;
-                x.InterestSwapInterval = JSON.stringify(x.SwapIntervalList);
+                serializeSwapIntervals(x);
                 thisObj.trade.swap_positions.push(x);
             });
             if (errorcount > 0) {
@@ -750,7 +771,7 @@ const vue = new Vue({
                 }
                 x.FloatRateUnderlyingCode = x.FloatRateUnderlyingCode == "--" ? null : x.FloatRateUnderlyingCode;
                 margin = margin + x.InterestPrincipalFix * (x.InterestDirection == 1 ? 1 : -1);
-                x.InterestSwapInterval = JSON.stringify(x.SwapIntervalList);
+                serializeSwapIntervals(x);
                 thisObj.trade.swap_positions.push(x);
             });
             if (errorcount > 0) {
@@ -1031,14 +1052,14 @@ const vue = new Vue({
                         date: _date,
                         SettlementDate: m.format("YYYY-MM-DD"),
                         floatRateCode: floatRateCode,
-                        val: _.toString(val) ? parseFloat(consNumberFormat.umpriceP(val)) : "",
+                        val: _.toString(val) ? swapPricePrecision.shiftDecimal(val, 2) : "",
                         itemChecked: itemChecked,
                         disabled: disabled
                     };
                 } else {
                     obdate = {
                         date: _date,
-                        val: _.toString(val) ? parseFloat(consNumberFormat.umpriceP(val)) : "",
+                        val: _.toString(val) ? swapPricePrecision.shiftDecimal(val, 2) : "",
                         itemChecked: itemChecked,
                         disabled: disabled
                     };
@@ -1099,7 +1120,7 @@ const vue = new Vue({
                             if (!isNaN(sm.date())) {
                                 _settleDate = sm.format("YYYY-MM-DD");
                             }
-                            var val = parseFloat(consNumberFormat.umpriceP(thisObj.observation.DefaultTitle1Value));
+                            var val = swapPricePrecision.shiftDecimal(thisObj.observation.DefaultTitle1Value, 2);
                             var itemChecked = true;
                             var disabled = false;
                             if (_date == thisObj.trade.ExerciseDate) {
@@ -1135,7 +1156,7 @@ const vue = new Vue({
                             if (!isNaN(m.date())) {
                                 _date = m.format("YYYY-MM-DD");
                             }
-                            var val = parseFloat(consNumberFormat.umpriceP(thisObj.observation.DefaultTitle1Value));
+                            var val = swapPricePrecision.shiftDecimal(thisObj.observation.DefaultTitle1Value, 2);
                             var itemChecked = true;
                             var disabled = false;
                             if (_date == thisObj.trade.ExerciseDate) {
@@ -1159,7 +1180,7 @@ const vue = new Vue({
             var observationStr = "";
             if (this.observation.ObservationDataList != null) {
                 this.observation.ObservationDataList.forEach(item => {
-                    observationStr = observationStr + item.date + ", " + item.SettlementDate + ", " + (item.val * 0.01).toFixed(6) + ", " + item.itemChecked + ";\n";
+                    observationStr = observationStr + item.date + ", " + item.SettlementDate + ", " + observationRateTextFromPercent(item.val) + ", " + item.itemChecked + ";\n";
                 });
             }
             this.observation.ObservationInterval = observationStr;
@@ -1209,7 +1230,7 @@ const vue = new Vue({
                         date: values[0],
                         SettlementDate: values[1] || "",
                         floatRateCode: floatRateCode,
-                        val: _.toString(val) ? parseFloat(consNumberFormat.umpriceP(val)) : "",
+                        val: _.toString(val) ? swapPricePrecision.shiftDecimal(val, 2) : "",
                         itemChecked: itemChecked,
                         disabled: disabled
                     }
@@ -1289,7 +1310,7 @@ const vue = new Vue({
                 }
                 var observation = {
                     Date: item.date,
-                    Rate: item.val * 0.01,
+                    Rate: observationRateFromPercent(item.val),
                     Settlement: item.itemChecked ? 1 : 0,
                     SettlementDate: item.SettlementDate || null  // 结算日期
                 }