diff --git a/src/main/java/cn/palmte/work/controller/backend/ProjectController.java b/src/main/java/cn/palmte/work/controller/backend/ProjectController.java
index a32be48..6e88b75 100644
--- a/src/main/java/cn/palmte/work/controller/backend/ProjectController.java
+++ b/src/main/java/cn/palmte/work/controller/backend/ProjectController.java
@@ -370,7 +370,7 @@ public class ProjectController extends BaseController {
         Set<String> rates = new HashSet<>();
         StringBuilder incomeTaxSb = new StringBuilder();
         for (ProjectBudgetIncomeDetail projectBudgetIncomeDetail : budgetIncomeDetail) {
-            if (!rates.contains(projectBudgetIncomeDetail.getTaxRate().toPlainString())) {
+            if (projectBudgetIncomeDetail.getTaxRate() != null && !rates.contains(projectBudgetIncomeDetail.getTaxRate().toPlainString())) {
                 incomeTaxSb.append(projectBudgetIncomeDetail.getTaxRate().toPlainString()).append("%,");
                 rates.add(projectBudgetIncomeDetail.getTaxRate().toPlainString());
             }
@@ -392,7 +392,7 @@ public class ProjectController extends BaseController {
         Set<String> rates2 = new HashSet<>();
         StringBuilder costTaxSb = new StringBuilder();
         for (ProjectBudgetCostDetail projectBudgetCostDetail : budgetCostDetail) {
-            if (!rates2.contains(projectBudgetCostDetail.getTaxRate().toPlainString())) {
+            if (projectBudgetCostDetail.getTaxRate() != null && !rates2.contains(projectBudgetCostDetail.getTaxRate().toPlainString())) {
                 costTaxSb.append(projectBudgetCostDetail.getTaxRate().toPlainString()).append("%,");
                 rates2.add(projectBudgetCostDetail.getTaxRate().toPlainString());
             }
@@ -701,7 +701,7 @@ public class ProjectController extends BaseController {
         Set<String> rates = new HashSet<>();
         StringBuilder incomeTaxSb = new StringBuilder();
         for (ProjectBudgetIncomeDetail projectBudgetIncomeDetail : budgetIncomeDetail) {
-            if (!rates.contains(projectBudgetIncomeDetail.getTaxRate().toPlainString())) {
+            if (projectBudgetIncomeDetail.getTaxRate() != null && !rates.contains(projectBudgetIncomeDetail.getTaxRate().toPlainString())) {
                 incomeTaxSb.append(projectBudgetIncomeDetail.getTaxRate().toPlainString()).append("%,");
                 rates.add(projectBudgetIncomeDetail.getTaxRate().toPlainString());
             }
@@ -715,7 +715,7 @@ public class ProjectController extends BaseController {
         Set<String> rates2 = new HashSet<>();
         StringBuilder costTaxSb = new StringBuilder();
         for (ProjectBudgetCostDetail projectBudgetCostDetail : budgetCostDetail) {
-            if (!rates2.contains(projectBudgetCostDetail.getTaxRate().toPlainString())) {
+            if (projectBudgetCostDetail.getTaxRate() != null && !rates2.contains(projectBudgetCostDetail.getTaxRate().toPlainString())) {
                 costTaxSb.append(projectBudgetCostDetail.getTaxRate().toPlainString()).append("%,");
                 rates2.add(projectBudgetCostDetail.getTaxRate().toPlainString());
             }
diff --git a/src/main/java/cn/palmte/work/model/ProjectBudgetCostDetailBase.java b/src/main/java/cn/palmte/work/model/ProjectBudgetCostDetailBase.java
index 39012b2..324a4bc 100644
--- a/src/main/java/cn/palmte/work/model/ProjectBudgetCostDetailBase.java
+++ b/src/main/java/cn/palmte/work/model/ProjectBudgetCostDetailBase.java
@@ -188,14 +188,16 @@ public class ProjectBudgetCostDetailBase {
 
     public BigDecimal getTotalTaxInclude(){
         if(null == price){
-            return null;
+            return BigDecimal.ZERO;
         }
         return price.multiply(amount);
     }
     public BigDecimal getTotalTaxExclude(){
         BigDecimal totalTaxInclude = getTotalTaxInclude();
-        if(null == totalTaxInclude || taxRate == null){
-            return null;
+        if(null == totalTaxInclude) {
+            return BigDecimal.ZERO;
+        } else if (taxRate == null){
+            return totalTaxInclude;
         }
 
         //不含税总金额=含税总金额/（1+税率）
@@ -205,7 +207,7 @@ public class ProjectBudgetCostDetailBase {
     public BigDecimal getTotalTax(){
         BigDecimal totalTaxInclude = getTotalTaxInclude();
         if(null == totalTaxInclude || taxRate == null){
-            return null;
+            return BigDecimal.ZERO;
         }
 
         //不含税总金额=含税总金额/（1+税率）
diff --git a/src/main/java/cn/palmte/work/model/ProjectBudgetCostProjectManageDetailBase.java b/src/main/java/cn/palmte/work/model/ProjectBudgetCostProjectManageDetailBase.java
index 23d4364..5e79181 100644
--- a/src/main/java/cn/palmte/work/model/ProjectBudgetCostProjectManageDetailBase.java
+++ b/src/main/java/cn/palmte/work/model/ProjectBudgetCostProjectManageDetailBase.java
@@ -162,7 +162,7 @@ public class ProjectBudgetCostProjectManageDetailBase {
 
     public BigDecimal getTotal(){
         if(null == price){
-            return null;
+            return BigDecimal.ZERO;
         }
         return price.multiply(amount);
     }
diff --git a/src/main/java/cn/palmte/work/model/ProjectBudgetIncomeDetailBase.java b/src/main/java/cn/palmte/work/model/ProjectBudgetIncomeDetailBase.java
index 4b24d21..a6bdbe4 100644
--- a/src/main/java/cn/palmte/work/model/ProjectBudgetIncomeDetailBase.java
+++ b/src/main/java/cn/palmte/work/model/ProjectBudgetIncomeDetailBase.java
@@ -131,14 +131,16 @@ public class ProjectBudgetIncomeDetailBase {
 
     public BigDecimal getTotalTaxInclude(){
         if(null == price){
-            return null;
+            return BigDecimal.ZERO;
         }
         return price.multiply(amount);
     }
     public BigDecimal getTotalTaxExclude(){
         BigDecimal totalTaxInclude = getTotalTaxInclude();
-        if(null == totalTaxInclude || taxRate == null){
-            return null;
+        if(null == totalTaxInclude) {
+            return BigDecimal.ZERO;
+        } else if (taxRate == null){
+            return totalTaxInclude;
         }
 
         //不含税总金额=含税总金额/（1+税率）
@@ -149,7 +151,7 @@ public class ProjectBudgetIncomeDetailBase {
     public BigDecimal getTotalTax(){
         BigDecimal totalTaxInclude = getTotalTaxInclude();
         if(null == totalTaxInclude || taxRate == null){
-            return null;
+            return BigDecimal.ZERO;
         }
 
         //不含税总金额=含税总金额/（1+税率）