diff --git a/YD_Event.Application/Event/UnifiedRegistrationService.cs b/YD_Event.Application/Event/UnifiedRegistrationService.cs
index 8793e27..a43f0c8 100644
--- a/YD_Event.Application/Event/UnifiedRegistrationService.cs
+++ b/YD_Event.Application/Event/UnifiedRegistrationService.cs
@@ -2027,35 +2027,44 @@ public class UnifiedRegistrationService : ITransient
             var project = projects.FirstOrDefault(p => p.Id == eventProject.ProjectId);
             if (project == null) continue;
             
-            // ==================== 项目完成人数验证 ====================
-            // 只要项目配置了完成人数（单一值或范围值），就进行验证
-            // 不再依赖 isTeamProject 判断，确保所有类型的项目都能正确验证
-            bool hasValidCompletionConfig = false;
+            // ==================== 项目类型判断 ====================
+            // 个人项目不进行完成人数限制
+            var isTeamProject = project.IsTeamProject();
+            if (!isTeamProject)
+            {
+                continue;
+            }
+            
+            // ==================== 完成人数配置解析 ====================
+            // 解析完成人数范围（单一值模式：min==max；范围值模式：min<max）
             int completionMin = 0;
             int completionMax = 0;
+            bool hasValidCompletionConfig = false;
 
             if (project.CompletionCountType == 0)
             {
                 // 单一值模式
                 if (project.CompletionCount > 0)
                 {
-                    hasValidCompletionConfig = true;
                     completionMin = project.CompletionCount;
                     completionMax = project.CompletionCount;
+                    hasValidCompletionConfig = true;
                 }
             }
-            else
+            else if (project.CompletionCountType == 1)
             {
-                // 范围值模式
+                // 范围值模式 — 必须同时配置 Min/Max 且 Min <= Max
                 if (project.CompletionCountMin.HasValue && project.CompletionCountMax.HasValue &&
-                    project.CompletionCountMin.Value > 0 && project.CompletionCountMax.Value > 0)
+                    project.CompletionCountMin.Value > 0 && project.CompletionCountMax.Value > 0 &&
+                    project.CompletionCountMin.Value <= project.CompletionCountMax.Value)
                 {
-                    hasValidCompletionConfig = true;
                     completionMin = project.CompletionCountMin.Value;
                     completionMax = project.CompletionCountMax.Value;
+                    hasValidCompletionConfig = true;
                 }
             }
 
+            // 未配置有效完成人数时跳过
             if (!hasValidCompletionConfig)
             {
                 continue;
@@ -2065,7 +2074,7 @@ public class UnifiedRegistrationService : ITransient
             if (teams.Count > 0)
             {
                 // ========== 多团队模式 ==========
-                // 对每个团队单独验证人数是否在范围内（或等于单一值）
+                // 对每个团队单独验证人数是否在范围内
                 foreach (var team in teams)
                 {
                     var teamMemberCount = team.Persons?.Count ?? 0;
diff --git a/YD_Event.Application/Event/UserEventRegistrationService.cs b/YD_Event.Application/Event/UserEventRegistrationService.cs
index 8976fcc..3237e5c 100644
--- a/YD_Event.Application/Event/UserEventRegistrationService.cs
+++ b/YD_Event.Application/Event/UserEventRegistrationService.cs
@@ -1405,11 +1405,12 @@ public class UserEventRegistrationService : IDynamicApiController, ITransient
                         completionMax = project.CompletionCount;
                     }
                 }
-                else
+                else if (project.CompletionCountType == 1)
                 {
-                    // 范围值模式
+                    // 范围值模式 — 必须同时配置 Min/Max 且 Min <= Max
                     if (project.CompletionCountMin.HasValue && project.CompletionCountMax.HasValue &&
-                        project.CompletionCountMin.Value > 0 && project.CompletionCountMax.Value > 0)
+                        project.CompletionCountMin.Value > 0 && project.CompletionCountMax.Value > 0 &&
+                        project.CompletionCountMin.Value <= project.CompletionCountMax.Value)
                     {
                         hasValidCompletionConfig = true;
                         completionMin = project.CompletionCountMin.Value;