diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementPageReqVO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementPageReqVO.java
index fe85595..9514b9a 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementPageReqVO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementPageReqVO.java
@@ -46,4 +46,7 @@ public class ProductRequirementPageReqVO extends PageParam {
     @Schema(description = "来源类型（manual:手工新增, work_order:工单流转）", example = "manual")
     private String sourceType;
 
+    @Schema(description = "来源业务编号", example = "CRM-20260615-001")
+    private String sourceBizCode;
+
 }
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementRespVO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementRespVO.java
index f8e618c..0aa8961 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementRespVO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementRespVO.java
@@ -43,8 +43,8 @@ public class ProductRequirementRespVO {
     @Schema(description = "需求来源类型", requiredMode = Schema.RequiredMode.REQUIRED, example = "manual")
     private String sourceType;
 
-    @Schema(description = "来源业务ID", example = "1024")
-    private Long sourceBizId;
+    @Schema(description = "来源业务编号", example = "CRM-20260615-001")
+    private String sourceBizCode;
 
     @Schema(description = "优先级", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     private Integer priority;
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementSaveReqVO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementSaveReqVO.java
index 9ec2364..29e3f67 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementSaveReqVO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementSaveReqVO.java
@@ -45,6 +45,10 @@ public class ProductRequirementSaveReqVO {
     @Size(max = 64, message = "需求分类长度不能超过64个字符")
     private String category;
 
+    @Schema(description = "来源业务编号", example = "CRM-20260615-001")
+    @Size(max = 255, message = "来源业务编号长度不能超过255个字符")
+    private String sourceBizCode;
+
     @Schema(description = "优先级，0低、1中、2高、3紧急", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     @NotNull(message = "优先级不能为空")
     private Integer priority;
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementUpdateReqVO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementUpdateReqVO.java
index ef25405..c79a95c 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementUpdateReqVO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/product/vo/requirement/ProductRequirementUpdateReqVO.java
@@ -46,6 +46,10 @@ public class ProductRequirementUpdateReqVO {
     @Size(max = 64, message = "需求分类长度不能超过64个字符")
     private String category;
 
+    @Schema(description = "来源业务编号", example = "CRM-20260615-001")
+    @Size(max = 255, message = "来源业务编号长度不能超过255个字符")
+    private String sourceBizCode;
+
     @Schema(description = "优先级，0低、1中、2高、3紧急", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     @NotNull(message = "优先级不能为空")
     private Integer priority;
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementPageReqVO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementPageReqVO.java
index 8e3ec83..3de173e 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementPageReqVO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementPageReqVO.java
@@ -45,4 +45,7 @@ public class ProjectRequirementPageReqVO extends PageParam {
     @Schema(description = "来源类型", example = "manual")
     private String sourceType;
 
+    @Schema(description = "来源业务编号", example = "CRM-20260615-001")
+    private String sourceBizCode;
+
 }
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementRespVO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementRespVO.java
index c3aa059..943bdc0 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementRespVO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementRespVO.java
@@ -46,8 +46,8 @@ public class ProjectRequirementRespVO {
     @Schema(description = "需求来源类型", example = "manual")
     private String sourceType;
 
-    @Schema(description = "来源业务ID", example = "1024")
-    private Long sourceBizId;
+    @Schema(description = "来源业务编号", example = "CRM-20260615-001")
+    private String sourceBizCode;
 
     @Schema(description = "优先级", example = "1")
     private Integer priority;
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementSaveReqVO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementSaveReqVO.java
index e789a76..92726b7 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementSaveReqVO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementSaveReqVO.java
@@ -45,6 +45,10 @@ public class ProjectRequirementSaveReqVO {
     @Size(max = 64, message = "需求分类长度不能超过64个字符")
     private String category;
 
+    @Schema(description = "来源业务编号", example = "CRM-20260615-001")
+    @Size(max = 255, message = "来源业务编号长度不能超过255个字符")
+    private String sourceBizCode;
+
     @Schema(description = "优先级，0低、1中、2高、3紧急", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     @NotNull(message = "优先级不能为空")
     private Integer priority;
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementUpdateReqVO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementUpdateReqVO.java
index efced0f..292f673 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementUpdateReqVO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/project/vo/requirement/ProjectRequirementUpdateReqVO.java
@@ -46,6 +46,10 @@ public class ProjectRequirementUpdateReqVO {
     @Size(max = 64, message = "需求分类长度不能超过64个字符")
     private String category;
 
+    @Schema(description = "来源业务编号", example = "CRM-20260615-001")
+    @Size(max = 255, message = "来源业务编号长度不能超过255个字符")
+    private String sourceBizCode;
+
     @Schema(description = "优先级，0低、1中、2高、3紧急", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     @NotNull(message = "优先级不能为空")
     private Integer priority;
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/dataobject/product/ProductRequirementDO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/dataobject/product/ProductRequirementDO.java
index ca584cd..ac0226b 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/dataobject/product/ProductRequirementDO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/dataobject/product/ProductRequirementDO.java
@@ -58,9 +58,9 @@ public class ProductRequirementDO extends BaseDO {
      */
     private String sourceType;
     /**
-     * 来源业务ID
+     * 来源业务编号
      */
-    private Long sourceBizId;
+    private String sourceBizCode;
     /**
      * 优先级，0低、1中、2高、3紧急
      */
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/dataobject/project/ProjectRequirementDO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/dataobject/project/ProjectRequirementDO.java
index d109ab7..323c954 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/dataobject/project/ProjectRequirementDO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/dataobject/project/ProjectRequirementDO.java
@@ -62,9 +62,9 @@ public class ProjectRequirementDO extends BaseDO {
      */
     private String sourceType;
     /**
-     * 来源业务 ID
+     * 来源业务编号
      */
-    private Long sourceBizId;
+    private String sourceBizCode;
     /**
      * 优先级
      */
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/mysql/product/ProductRequirementMapper.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/mysql/product/ProductRequirementMapper.java
index ed73660..28d5ab3 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/mysql/product/ProductRequirementMapper.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/mysql/product/ProductRequirementMapper.java
@@ -53,6 +53,8 @@ public interface ProductRequirementMapper extends BaseMapperX<ProductRequirement
                 .eqIfPresent(ProductRequirementDO::getCurrentHandlerUserId, reqVO.getCurrentHandlerUserId())
                 // 来源类型精确匹配
                 .eqIfPresent(ProductRequirementDO::getSourceType, reqVO.getSourceType())
+                // 来源业务编号模糊匹配
+                .likeIfPresent(ProductRequirementDO::getSourceBizCode, reqVO.getSourceBizCode())
                 // 模块ID列表IN查询（优先使用moduleIds，用于支持子模块查询）
                 .inIfPresent(ProductRequirementDO::getModuleId, reqVO.getModuleIds())
                 // 模块ID精确匹配（当moduleIds为空时使用）
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/mysql/project/ProjectRequirementMapper.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/mysql/project/ProjectRequirementMapper.java
index 36afd49..0e15379 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/mysql/project/ProjectRequirementMapper.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/dal/mysql/project/ProjectRequirementMapper.java
@@ -45,6 +45,7 @@ public interface ProjectRequirementMapper extends BaseMapperX<ProjectRequirement
                 .eqIfPresent(ProjectRequirementDO::getStatusCode, reqVO.getStatusCode())
                 .eqIfPresent(ProjectRequirementDO::getCurrentHandlerUserId, reqVO.getCurrentHandlerUserId())
                 .eqIfPresent(ProjectRequirementDO::getSourceType, reqVO.getSourceType())
+                .likeIfPresent(ProjectRequirementDO::getSourceBizCode, reqVO.getSourceBizCode())
                 .inIfPresent(ProjectRequirementDO::getModuleId, reqVO.getModuleIds())
                 .eqIfPresent(ProjectRequirementDO::getModuleId, reqVO.getModuleId())
                 .eqIfPresent(ProjectRequirementDO::getParentId, reqVO.getParentId())
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/product/ProductRequirementServiceImpl.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/product/ProductRequirementServiceImpl.java
index 0ab6c47..5504aa0 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/product/ProductRequirementServiceImpl.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/product/ProductRequirementServiceImpl.java
@@ -151,6 +151,7 @@ public class ProductRequirementServiceImpl implements ProductRequirementService
         requirement.setDescription(normalizeNullableText(createReqVO.getDescription()));
         requirement.setCategory(createReqVO.getCategory());
         requirement.setSourceType(SOURCE_TYPE_MANUAL); // 手工新增默认来源类型
+        requirement.setSourceBizCode(normalizeNullableText(createReqVO.getSourceBizCode()));
         requirement.setPriority(createReqVO.getPriority());
         // 根据是否需要评审确定初始状态
         String initialStatus = Objects.equals(createReqVO.getReviewRequired(), 1)
@@ -194,6 +195,7 @@ public class ProductRequirementServiceImpl implements ProductRequirementService
         requirement.setTitle(updateReqVO.getTitle().trim());
         requirement.setDescription(normalizeNullableText(updateReqVO.getDescription()));
         requirement.setCategory(updateReqVO.getCategory());
+        requirement.setSourceBizCode(normalizeNullableText(updateReqVO.getSourceBizCode()));
         requirement.setPriority(updateReqVO.getPriority());
         requirement.setProposerId(updateReqVO.getProposerId());
         requirement.setProposerNickname(normalizeNullableText(updateReqVO.getProposerNickname()));
@@ -907,6 +909,7 @@ public class ProductRequirementServiceImpl implements ProductRequirementService
         childRequirement.setDescription(normalizeNullableText(reqVO.getDescription()));
         childRequirement.setCategory(reqVO.getCategory());
         childRequirement.setSourceType(parentRequirement.getSourceType()); // 继承父需求来源类型
+        childRequirement.setSourceBizCode(parentRequirement.getSourceBizCode()); // 继承父需求来源业务编号
         childRequirement.setPriority(reqVO.getPriority());
         // 子需求初始状态为待指派
         // 根据是否需要评审确定初始状态
@@ -1671,7 +1674,7 @@ public class ProductRequirementServiceImpl implements ProductRequirementService
         target.setDescription(source.getDescription());
         target.setCategory(source.getCategory());
         target.setSourceType(source.getSourceType());
-        target.setSourceBizId(source.getSourceBizId());
+        target.setSourceBizCode(source.getSourceBizCode());
         target.setPriority(source.getPriority());
         target.setStatusCode(source.getStatusCode());
         target.setLastStatusReason(source.getLastStatusReason());
@@ -1707,8 +1710,8 @@ public class ProductRequirementServiceImpl implements ProductRequirementService
                 valueOf(after, ProductRequirementDO::getCategory));
         appendFieldChange(fieldChanges, "sourceType", valueOf(before, ProductRequirementDO::getSourceType),
                 valueOf(after, ProductRequirementDO::getSourceType));
-        appendFieldChange(fieldChanges, "sourceBizId", valueOf(before, ProductRequirementDO::getSourceBizId),
-                valueOf(after, ProductRequirementDO::getSourceBizId));
+        appendFieldChange(fieldChanges, "sourceBizCode", valueOf(before, ProductRequirementDO::getSourceBizCode),
+                valueOf(after, ProductRequirementDO::getSourceBizCode));
         appendFieldChange(fieldChanges, "priority", valueOf(before, ProductRequirementDO::getPriority),
                 valueOf(after, ProductRequirementDO::getPriority));
         appendFieldChange(fieldChanges, "statusCode", valueOf(before, ProductRequirementDO::getStatusCode),
@@ -1805,7 +1808,7 @@ public class ProductRequirementServiceImpl implements ProductRequirementService
         newRequirement.setTitle(productRequirement.getTitle());
         newRequirement.setDescription(productRequirement.getDescription());
         newRequirement.setCategory(productRequirement.getCategory());
-        newRequirement.setSourceBizId(productRequirement.getSourceBizId());
+        newRequirement.setSourceBizCode(productRequirement.getSourceBizCode());
         newRequirement.setPriority(productRequirement.getPriority());
         newRequirement.setProposerId(productRequirement.getProposerId());
         newRequirement.setProposerNickname(productRequirement.getProposerNickname());
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/project/ProjectRequirementServiceImpl.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/project/ProjectRequirementServiceImpl.java
index a759e63..e01211b 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/project/ProjectRequirementServiceImpl.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/project/ProjectRequirementServiceImpl.java
@@ -155,6 +155,7 @@ public class ProjectRequirementServiceImpl implements ProjectRequirementService
         requirement.setDescription(normalizeNullableText(createReqVO.getDescription()));
         requirement.setCategory(createReqVO.getCategory());
         requirement.setSourceType(SOURCE_TYPE_MANUAL);
+        requirement.setSourceBizCode(normalizeNullableText(createReqVO.getSourceBizCode()));
         requirement.setPriority(createReqVO.getPriority());
         String initialStatus = Objects.equals(createReqVO.getReviewRequired(), 1)
                 ? STATUS_PENDING_REVIEW : STATUS_IMPLEMENTING;
@@ -198,6 +199,7 @@ public class ProjectRequirementServiceImpl implements ProjectRequirementService
         requirement.setTitle(updateReqVO.getTitle().trim());
         requirement.setDescription(normalizeNullableText(updateReqVO.getDescription()));
         requirement.setCategory(updateReqVO.getCategory());
+        requirement.setSourceBizCode(normalizeNullableText(updateReqVO.getSourceBizCode()));
         requirement.setPriority(updateReqVO.getPriority());
         requirement.setProposerId(updateReqVO.getProposerId());
         requirement.setProposerNickname(normalizeNullableText(updateReqVO.getProposerNickname()));
@@ -442,7 +444,7 @@ public class ProjectRequirementServiceImpl implements ProjectRequirementService
         childRequirement.setCategory(reqVO.getCategory());
         childRequirement.setSourceType(parentRequirement.getSourceType());
         childRequirement.setProductRequirementId(parentRequirement.getProductRequirementId());
-        childRequirement.setSourceBizId(parentRequirement.getSourceBizId());
+        childRequirement.setSourceBizCode(parentRequirement.getSourceBizCode());
         childRequirement.setPriority(reqVO.getPriority());
         String initialStatus = Objects.equals(reqVO.getReviewRequired(), 1)
                 ? STATUS_PENDING_REVIEW : STATUS_IMPLEMENTING;
@@ -1300,7 +1302,7 @@ public class ProjectRequirementServiceImpl implements ProjectRequirementService
         target.setDescription(source.getDescription());
         target.setCategory(source.getCategory());
         target.setSourceType(source.getSourceType());
-        target.setSourceBizId(source.getSourceBizId());
+        target.setSourceBizCode(source.getSourceBizCode());
         target.setPriority(source.getPriority());
         target.setStatusCode(source.getStatusCode());
         target.setLastStatusReason(source.getLastStatusReason());
@@ -1337,8 +1339,8 @@ public class ProjectRequirementServiceImpl implements ProjectRequirementService
                 valueOf(after, ProjectRequirementDO::getCategory));
         appendFieldChange(fieldChanges, "sourceType", valueOf(before, ProjectRequirementDO::getSourceType),
                 valueOf(after, ProjectRequirementDO::getSourceType));
-        appendFieldChange(fieldChanges, "sourceBizId", valueOf(before, ProjectRequirementDO::getSourceBizId),
-                valueOf(after, ProjectRequirementDO::getSourceBizId));
+        appendFieldChange(fieldChanges, "sourceBizCode", valueOf(before, ProjectRequirementDO::getSourceBizCode),
+                valueOf(after, ProjectRequirementDO::getSourceBizCode));
         appendFieldChange(fieldChanges, "priority", valueOf(before, ProjectRequirementDO::getPriority),
                 valueOf(after, ProjectRequirementDO::getPriority));
         appendFieldChange(fieldChanges, "statusCode", valueOf(before, ProjectRequirementDO::getStatusCode),
@@ -1410,7 +1412,7 @@ public class ProjectRequirementServiceImpl implements ProjectRequirementService
         target.setDescription(source.getDescription());
         target.setCategory(source.getCategory());
         target.setSourceType(source.getSourceType());
-        target.setSourceBizId(source.getSourceBizId());
+        target.setSourceBizCode(source.getSourceBizCode());
         target.setPriority(source.getPriority());
         target.setStatusCode(source.getStatusCode());
         target.setLastStatusReason(source.getLastStatusReason());
@@ -1443,8 +1445,8 @@ public class ProjectRequirementServiceImpl implements ProjectRequirementService
                 valueOf(after, ProductRequirementDO::getCategory));
         appendFieldChange(fieldChanges, "sourceType", valueOf(before, ProductRequirementDO::getSourceType),
                 valueOf(after, ProductRequirementDO::getSourceType));
-        appendFieldChange(fieldChanges, "sourceBizId", valueOf(before, ProductRequirementDO::getSourceBizId),
-                valueOf(after, ProductRequirementDO::getSourceBizId));
+        appendFieldChange(fieldChanges, "sourceBizCode", valueOf(before, ProductRequirementDO::getSourceBizCode),
+                valueOf(after, ProductRequirementDO::getSourceBizCode));
         appendFieldChange(fieldChanges, "priority", valueOf(before, ProductRequirementDO::getPriority),
                 valueOf(after, ProductRequirementDO::getPriority));
         appendFieldChange(fieldChanges, "statusCode", valueOf(before, ProductRequirementDO::getStatusCode),