diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/workflow/strategy/InvoiceWorkflowStrategy.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/workflow/strategy/InvoiceWorkflowStrategy.java
index 1ea8bc3b..27210a90 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/workflow/strategy/InvoiceWorkflowStrategy.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/workflow/strategy/InvoiceWorkflowStrategy.java
@@ -29,6 +29,7 @@ public class InvoiceWorkflowStrategy implements WorkflowStrategy<ErpFinInvoiceIn
     @Override
     public Map<String, Object> getVariables(ErpFinInvoiceInfoBo bo) {
         Map<String, Object> variables = new HashMap<>();
+        variables.put("invoiceId", bo.getInvoiceId());
         variables.put("projectId", bo.getProjectId());
         variables.put("projectName", bo.getProjectName());
         variables.put("earlyFlag", bo.getEarlyFlag());