diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/vo/model/BpmModelMetaInfoVO.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/vo/model/BpmModelMetaInfoVO.java
index 4825e5f5a9..dfd62cfc2e 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/vo/model/BpmModelMetaInfoVO.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/vo/model/BpmModelMetaInfoVO.java
@@ -66,10 +66,10 @@ public class BpmModelMetaInfoVO {
     @Schema(description = "允许撤销审批中的申请", example = "true")
     private Boolean allowCancelRunningProcess;
 
-    @Schema(description = "流程 Id 规则", example = "{}")
+    @Schema(description = "流程 ID 规则", example = "{}")
     private ProcessIdRule processIdRule;
 
-    @Schema(description = "流程 Id 规则")
+    @Schema(description = "流程 ID 规则")
     @Data
     @Valid
     public static class ProcessIdRule {
@@ -78,18 +78,19 @@ public class BpmModelMetaInfoVO {
         @NotNull(message = "是否启用不能为空")
         private Boolean enable;
 
-        @Schema(description = "前缀", example = "xx")
+        @Schema(description = "前缀", example = "XX")
         private String prefix;
 
-        @Schema(description = "前缀", example = "20250120")
-        private String infix;
+        @Schema(description = "中缀", example = "20250120")
+        private String infix; // 精确到日、精确到时、精确到分、精确到秒
 
-        @Schema(description = "前缀", example = "xx")
+        @Schema(description = "后缀", example = "YY")
         private String postfix;
 
         @Schema(description = "序列长度", example = "5")
         @NotNull(message = "序列长度不能为空")
         private Integer length;
+
     }
 
 }
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/dataobject/definition/BpmProcessDefinitionInfoDO.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/dataobject/definition/BpmProcessDefinitionInfoDO.java
index 5369127c16..3edbb9fd51 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/dataobject/definition/BpmProcessDefinitionInfoDO.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/dataobject/definition/BpmProcessDefinitionInfoDO.java
@@ -157,7 +157,7 @@ public class BpmProcessDefinitionInfoDO extends BaseDO {
     private Boolean allowCancelRunningProcess;
 
     /**
-     * 流程 Id 规则
+     * 流程 ID 规则
      */
     @TableField(typeHandler = JacksonTypeHandler.class)
     private BpmModelMetaInfoVO.ProcessIdRule processIdRule;
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/redis/BpmProcessIdRedisDAO.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/redis/BpmProcessIdRedisDAO.java
index 48666f4373..2e66ab09f8 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/redis/BpmProcessIdRedisDAO.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/redis/BpmProcessIdRedisDAO.java
@@ -17,6 +17,7 @@ import java.time.LocalDateTime;
 @Repository
 public class BpmProcessIdRedisDAO {
 
+    // TODO @lesan：要枚举到 rediskeyconstants 哈
     public static final String BPM_PROCESS_ID_PREFIX = "BPMPID";
 
     @Resource
@@ -29,6 +30,7 @@ public class BpmProcessIdRedisDAO {
      * @return 序号
      */
     public String generate(BpmModelMetaInfoVO.ProcessIdRule processIdRule) {
+        // 生成日期前缀
         String infix = "";
         switch (processIdRule.getInfix()) {
             case "DAY":
@@ -44,6 +46,8 @@ public class BpmProcessIdRedisDAO {
                 infix = DateUtil.format(LocalDateTime.now(), "yyyyMMDDHHmmss");
                 break;
         }
+
+        // 生成序号
         String noPrefix = processIdRule.getPrefix() + infix + processIdRule.getPostfix();
         String key = BPM_PROCESS_ID_PREFIX + noPrefix;
         Long no = stringRedisTemplate.opsForValue().increment(key);
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
index a0a581eecd..d60c3c904e 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
@@ -606,17 +606,18 @@ public class BpmProcessInstanceServiceImpl implements BpmProcessInstanceService
             variables.put(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_START_USER_SELECT_ASSIGNEES, startUserSelectAssignees);
         }
 
-        // 3. 流程 Id
+        // 3. 创建流程
         ProcessInstanceBuilder processInstanceBuilder = runtimeService.createProcessInstanceBuilder()
                 .processDefinitionId(definition.getId())
                 .businessKey(businessKey)
                 .name(definition.getName().trim())
                 .variables(variables);
+        // 3.1 创建流程 ID
         BpmModelMetaInfoVO.ProcessIdRule processIdRule = processDefinitionInfo.getProcessIdRule();
-        if (processIdRule != null && processIdRule.getEnable()) {
-            String id = processIdRedisDAO.generate(processIdRule);
-            processInstanceBuilder.predefineProcessInstanceId(id);
+        if (processIdRule != null && Boolean.TRUE.equals(processIdRule.getEnable())) {
+            processInstanceBuilder.predefineProcessInstanceId(processIdRedisDAO.generate(processIdRule));
         }
+        // 3.2 发起流程实例
         ProcessInstance instance = processInstanceBuilder.start();
         return instance.getId();
     }