diff --git a/xm-core/src/main/java/com/xm/core/ctrl/XmIterationController.java b/xm-core/src/main/java/com/xm/core/ctrl/XmIterationController.java
index f38cac4e..41d8f303 100644
--- a/xm-core/src/main/java/com/xm/core/ctrl/XmIterationController.java
+++ b/xm-core/src/main/java/com/xm/core/ctrl/XmIterationController.java
@@ -163,14 +163,12 @@ public class XmIterationController {
 		Map<String,Object> m = new HashMap<>();
 		Tips tips=new Tips("成功新增一条数据");
 		try{
-			if(StringUtils.isEmpty(xmIteration.getId())) {
-				xmIteration.setId(xmIterationService.createKey("id"));
-			}
 			XmIteration q=new XmIteration();
 			User user= LoginUtils.getCurrentUserInfo();
 
 			q.setBranchId(user.getBranchId());
 			Long count=this.xmIterationService.countByWhere(q);
+			xmIteration.setId(this.xmIterationService.createIterationId(count));
 			xmIteration.setSeqNo(Long.toString(count+1));
 			xmIteration.setCtime(new Date());
 			xmIteration.setCuserid(user.getUserid());
diff --git a/xm-core/src/main/java/com/xm/core/service/XmIterationService.java b/xm-core/src/main/java/com/xm/core/service/XmIterationService.java
index 44f80d73..deea3ed4 100644
--- a/xm-core/src/main/java/com/xm/core/service/XmIterationService.java
+++ b/xm-core/src/main/java/com/xm/core/service/XmIterationService.java
@@ -4,6 +4,7 @@ import com.mdp.core.entity.Tips;
 import com.mdp.core.service.BaseService;
 import com.mdp.safe.client.entity.User;
 import com.xm.core.entity.XmIteration;
+import com.xm.core.entity.XmProduct;
 import com.xm.core.entity.XmProject;
 import com.xm.core.vo.XmIterationVo;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -51,5 +52,18 @@ public class XmIterationService extends BaseService {
 		this.xmIterationLinkService.batchInsert(xmIteration.getLinks());
 
     }
+
+	public String createIterationId( Long count){
+		String seq=(count%10000+1)+"";
+		int preLength=4-seq.length();
+		if(preLength>0){
+			for (int i = 0; i < preLength; i++) {
+				seq="0"+seq;
+			}
+		}
+		String code=sequenceService.getCommonNo("IT{date:yyyy}-"+seq+"-{rands:4}");
+		return code;
+
+	}
 }
 
diff --git a/xm-core/src/main/java/com/xm/core/service/XmProductService.java b/xm-core/src/main/java/com/xm/core/service/XmProductService.java
index 40801fd2..5968824d 100644
--- a/xm-core/src/main/java/com/xm/core/service/XmProductService.java
+++ b/xm-core/src/main/java/com/xm/core/service/XmProductService.java
@@ -258,15 +258,15 @@ public class XmProductService extends BaseService {
 		XmProduct product=new XmProduct();
 		product.setBranchId(branchId);
 		long count=this.countByWhere(product);
-		String seq=(count+1)+"";
-		int preLength=6-seq.length();
+		String seq=(count%10000+1)+"";
+		int preLength=4-seq.length();
 
 		if(preLength>0){
 			for (int i = 0; i < preLength; i++) {
 				seq="0"+seq;
 			}
 		}
-		String code=sequenceService.getCommonNo("pro-{date:yyyyMMdd}-"+seq+"-{rand:2}");
+		String code=sequenceService.getCommonNo("PD{date:yyyy}-"+seq+"-{rands:2}");
 		return code;
 
 	}
diff --git a/xm-core/src/main/java/com/xm/core/service/XmProjectService.java b/xm-core/src/main/java/com/xm/core/service/XmProjectService.java
index a528dee6..da295768 100644
--- a/xm-core/src/main/java/com/xm/core/service/XmProjectService.java
+++ b/xm-core/src/main/java/com/xm/core/service/XmProjectService.java
@@ -296,15 +296,15 @@ public class XmProjectService extends BaseService {
     	XmProject projectQ=new XmProject();
     	projectQ.setBranchId(branchId);
     	long count=this.countByWhere(projectQ);
-		String seq=(count+1)+"";
-		int preLength=6-seq.length();
+		String seq=(count%10000+1)+"";
+		int preLength=4-seq.length();
 
 		if(preLength>0){
 			for (int i = 0; i < preLength; i++) {
 				seq="0"+seq;
 			}
 		}
-		String code=sequenceService.getCommonNo("prj-{date:yyyyMMdd}-"+seq+"-{rand:2}");
+		String code=sequenceService.getCommonNo("PJ{date:yyyy}-"+seq+"-{rands:2}");
 		return code;
 
 	}