diff --git a/backend/internal/api/handlers/pipeline.go b/backend/internal/api/handlers/pipeline.go
index f9c0829..ff5a825 100644
--- a/backend/internal/api/handlers/pipeline.go
+++ b/backend/internal/api/handlers/pipeline.go
@@ -10,7 +10,7 @@ import (
 	"gorm.io/gorm"
 )
 
-// PipelineHandler 流水线处理器
+// PipelineHandler 流水线处理器（流水线 + 应用发布两个子域，应用发布方法拆分至 pipeline_release.go） // Logan.Li
 type PipelineHandler struct {
 	db *gorm.DB
 }
@@ -237,7 +237,6 @@ func (h *PipelineHandler) TriggerPipeline(c *gin.Context) {
 
 	var req models.TriggerPipelineRequest
 	c.ShouldBindJSON(&req)
-
 	// 获取最新构建号
 	var maxBuildNumber int
 	h.db.Model(&models.PipelineRun{}).Where("pipeline_id = ?", id).Select("COALESCE(MAX(build_number), 0)").Scan(&maxBuildNumber)
@@ -305,237 +304,3 @@ func (h *PipelineHandler) ListRuns(c *gin.Context) {
 		},
 	})
 }
-
-// ListReleases 获取发布列表
-// @Summary 获取发布列表
-// @Description 获取所有应用发布列表
-// @Tags 应用发布
-// @Produce json
-// @Security Bearer
-// @Param page query int false "页码"
-// @Param page_size query int false "每页数量"
-// @Success 200 {object} models.Response{data=models.ListResponse}
-// @Router /releases [get]
-func (h *PipelineHandler) ListReleases(c *gin.Context) {
-	var query models.PageQuery
-	c.ShouldBindQuery(&query)
-
-	var total int64
-	h.db.Model(&models.AppRelease{}).Count(&total)
-
-	var releases []models.AppRelease
-	h.db.Order("created_at DESC").
-		Offset(query.GetOffset()).
-		Limit(query.GetLimit()).
-		Find(&releases)
-
-	c.JSON(http.StatusOK, models.Response{
-		Code:    200,
-		Message: "success",
-		Data: models.ListResponse{
-			List:  releases,
-			Total: total,
-		},
-	})
-}
-
-// CreateRelease 创建发布
-// @Summary 创建发布
-// @Description 创建新应用发布
-// @Tags 应用发布
-// @Accept json
-// @Produce json
-// @Security Bearer
-// @Param request body models.CreateAppReleaseRequest true "创建请求"
-// @Success 200 {object} models.Response{data=models.AppRelease}
-// @Router /releases [post]
-func (h *PipelineHandler) CreateRelease(c *gin.Context) {
-	var req models.CreateAppReleaseRequest
-	if err := c.ShouldBindJSON(&req); err != nil {
-		c.JSON(http.StatusBadRequest, models.Response{
-			Code:    400,
-			Message: "请求参数错误: " + err.Error(),
-		})
-		return
-	}
-
-	release := models.AppRelease{
-		AppName:     req.AppName,
-		Version:     req.Version,
-		Environment: req.Environment,
-		Status:      "pending",
-		CommitID:    req.CommitID,
-		CommitMsg:   req.CommitMsg,
-		Servers:     "[]",
-		Description: req.Description,
-	}
-
-	if err := h.db.Create(&release).Error; err != nil {
-		c.JSON(http.StatusInternalServerError, models.Response{
-			Code:    500,
-			Message: "创建失败",
-		})
-		return
-	}
-
-	c.JSON(http.StatusOK, models.Response{
-		Code:    200,
-		Message: "创建成功",
-		Data:    release,
-	})
-}
-
-// ApproveRelease 审批发布
-// @Summary 审批发布
-// @Description 审批应用发布
-// @Tags 应用发布
-// @Produce json
-// @Security Bearer
-// @Param id path int true "发布ID"
-// @Success 200 {object} models.Response{data=models.AppRelease}
-// @Router /releases/{id}/approve [post]
-func (h *PipelineHandler) ApproveRelease(c *gin.Context) {
-	id, _ := strconv.Atoi(c.Param("id"))
-
-	var release models.AppRelease
-	if err := h.db.First(&release, id).Error; err != nil {
-		c.JSON(http.StatusNotFound, models.Response{
-			Code:    404,
-			Message: "发布不存在",
-		})
-		return
-	}
-
-	release.Status = "approved"
-	// release.Approver = middleware.GetUsername(c)
-	// now := time.Now()
-	// release.ApprovedAt = &now
-
-	if err := h.db.Save(&release).Error; err != nil {
-		c.JSON(http.StatusInternalServerError, models.Response{
-			Code:    500,
-			Message: "审批失败",
-		})
-		return
-	}
-
-	c.JSON(http.StatusOK, models.Response{
-		Code:    200,
-		Message: "审批成功",
-		Data:    release,
-	})
-}
-
-// DeployRelease 部署发布
-// @Summary 部署发布
-// @Description 部署应用发布
-// @Tags 应用发布
-// @Produce json
-// @Security Bearer
-// @Param id path int true "发布ID"
-// @Success 200 {object} models.Response{data=models.AppRelease}
-// @Router /releases/{id}/deploy [post]
-func (h *PipelineHandler) DeployRelease(c *gin.Context) {
-	id, _ := strconv.Atoi(c.Param("id"))
-
-	var release models.AppRelease
-	if err := h.db.First(&release, id).Error; err != nil {
-		c.JSON(http.StatusNotFound, models.Response{
-			Code:    404,
-			Message: "发布不存在",
-		})
-		return
-	}
-
-	release.Status = "deploying"
-	if err := h.db.Save(&release).Error; err != nil {
-		c.JSON(http.StatusInternalServerError, models.Response{
-			Code:    500,
-			Message: "部署失败",
-		})
-		return
-	}
-
-	c.JSON(http.StatusOK, models.Response{
-		Code:    200,
-		Message: "部署中",
-		Data:    release,
-	})
-}
-
-// RejectRelease 驳回发布申请 // Logan.Li
-func (h *PipelineHandler) RejectRelease(c *gin.Context) {
-	id, _ := strconv.Atoi(c.Param("id"))
-
-	var release models.AppRelease
-	if err := h.db.First(&release, id).Error; err != nil {
-		c.JSON(http.StatusNotFound, models.Response{
-			Code:    404,
-			Message: "发布不存在",
-		})
-		return
-	}
-
-	if release.Status != "pending" {
-		c.JSON(http.StatusBadRequest, models.Response{
-			Code:    400,
-			Message: "仅待审批状态可驳回",
-		})
-		return
-	}
-
-	release.Status = "rejected"
-	if err := h.db.Save(&release).Error; err != nil {
-		c.JSON(http.StatusInternalServerError, models.Response{
-			Code:    500,
-			Message: "驳回失败",
-		})
-		return
-	}
-
-	c.JSON(http.StatusOK, models.Response{
-		Code:    200,
-		Message: "已驳回",
-		Data:    release,
-	})
-}
-
-// RollbackRelease 回滚发布
-// @Summary 回滚发布
-// @Description 回滚应用发布
-// @Tags 应用发布
-// @Produce json
-// @Security Bearer
-// @Param id path int true "发布ID"
-// @Success 200 {object} models.Response{data=models.AppRelease}
-// @Router /releases/{id}/rollback [post]
-func (h *PipelineHandler) RollbackRelease(c *gin.Context) {
-	id, _ := strconv.Atoi(c.Param("id"))
-
-	var release models.AppRelease
-	if err := h.db.First(&release, id).Error; err != nil {
-		c.JSON(http.StatusNotFound, models.Response{
-			Code:    404,
-			Message: "发布不存在",
-		})
-		return
-	}
-
-	release.Status = "rolled_back"
-	// now := time.Now()
-	// release.RollbackAt = &now
-
-	if err := h.db.Save(&release).Error; err != nil {
-		c.JSON(http.StatusInternalServerError, models.Response{
-			Code:    500,
-			Message: "回滚失败",
-		})
-		return
-	}
-
-	c.JSON(http.StatusOK, models.Response{
-		Code:    200,
-		Message: "回滚成功",
-		Data:    release,
-	})
-}
diff --git a/backend/internal/api/handlers/pipeline_release.go b/backend/internal/api/handlers/pipeline_release.go
new file mode 100644
index 0000000..310ec1b
--- /dev/null
+++ b/backend/internal/api/handlers/pipeline_release.go
@@ -0,0 +1,246 @@
+package handlers
+
+import (
+	"net/http"
+	"strconv"
+
+	"ezops/internal/models"
+
+	"github.com/gin-gonic/gin"
+)
+
+// 应用发布（Release）相关 handler，与 PipelineHandler 共享 receiver，按应用发布域从 pipeline.go 拆分 // Logan.Li
+
+// ListReleases 获取发布列表
+// @Summary 获取发布列表
+// @Description 获取所有应用发布列表
+// @Tags 应用发布
+// @Produce json
+// @Security Bearer
+// @Param page query int false "页码"
+// @Param page_size query int false "每页数量"
+// @Success 200 {object} models.Response{data=models.ListResponse}
+// @Router /releases [get]
+func (h *PipelineHandler) ListReleases(c *gin.Context) {
+	var query models.PageQuery
+	c.ShouldBindQuery(&query)
+
+	var total int64
+	h.db.Model(&models.AppRelease{}).Count(&total)
+
+	var releases []models.AppRelease
+	h.db.Order("created_at DESC").
+		Offset(query.GetOffset()).
+		Limit(query.GetLimit()).
+		Find(&releases)
+
+	c.JSON(http.StatusOK, models.Response{
+		Code:    200,
+		Message: "success",
+		Data: models.ListResponse{
+			List:  releases,
+			Total: total,
+		},
+	})
+}
+
+// CreateRelease 创建发布
+// @Summary 创建发布
+// @Description 创建新应用发布
+// @Tags 应用发布
+// @Accept json
+// @Produce json
+// @Security Bearer
+// @Param request body models.CreateAppReleaseRequest true "创建请求"
+// @Success 200 {object} models.Response{data=models.AppRelease}
+// @Router /releases [post]
+func (h *PipelineHandler) CreateRelease(c *gin.Context) {
+	var req models.CreateAppReleaseRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, models.Response{
+			Code:    400,
+			Message: "请求参数错误: " + err.Error(),
+		})
+		return
+	}
+
+	release := models.AppRelease{
+		AppName:     req.AppName,
+		Version:     req.Version,
+		Environment: req.Environment,
+		Status:      "pending",
+		CommitID:    req.CommitID,
+		CommitMsg:   req.CommitMsg,
+		Servers:     "[]",
+		Description: req.Description,
+	}
+
+	if err := h.db.Create(&release).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, models.Response{
+			Code:    500,
+			Message: "创建失败",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, models.Response{
+		Code:    200,
+		Message: "创建成功",
+		Data:    release,
+	})
+}
+
+// ApproveRelease 审批发布
+// @Summary 审批发布
+// @Description 审批应用发布
+// @Tags 应用发布
+// @Produce json
+// @Security Bearer
+// @Param id path int true "发布ID"
+// @Success 200 {object} models.Response{data=models.AppRelease}
+// @Router /releases/{id}/approve [post]
+func (h *PipelineHandler) ApproveRelease(c *gin.Context) {
+	id, _ := strconv.Atoi(c.Param("id"))
+
+	var release models.AppRelease
+	if err := h.db.First(&release, id).Error; err != nil {
+		c.JSON(http.StatusNotFound, models.Response{
+			Code:    404,
+			Message: "发布不存在",
+		})
+		return
+	}
+
+	release.Status = "approved"
+	// release.Approver = middleware.GetUsername(c)
+	// now := time.Now()
+	// release.ApprovedAt = &now
+
+	if err := h.db.Save(&release).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, models.Response{
+			Code:    500,
+			Message: "审批失败",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, models.Response{
+		Code:    200,
+		Message: "审批成功",
+		Data:    release,
+	})
+}
+
+// DeployRelease 部署发布
+// @Summary 部署发布
+// @Description 部署应用发布
+// @Tags 应用发布
+// @Produce json
+// @Security Bearer
+// @Param id path int true "发布ID"
+// @Success 200 {object} models.Response{data=models.AppRelease}
+// @Router /releases/{id}/deploy [post]
+func (h *PipelineHandler) DeployRelease(c *gin.Context) {
+	id, _ := strconv.Atoi(c.Param("id"))
+
+	var release models.AppRelease
+	if err := h.db.First(&release, id).Error; err != nil {
+		c.JSON(http.StatusNotFound, models.Response{
+			Code:    404,
+			Message: "发布不存在",
+		})
+		return
+	}
+
+	release.Status = "deploying"
+	if err := h.db.Save(&release).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, models.Response{
+			Code:    500,
+			Message: "部署失败",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, models.Response{
+		Code:    200,
+		Message: "部署中",
+		Data:    release,
+	})
+}
+
+// RejectRelease 驳回发布申请 // Logan.Li
+func (h *PipelineHandler) RejectRelease(c *gin.Context) {
+	id, _ := strconv.Atoi(c.Param("id"))
+
+	var release models.AppRelease
+	if err := h.db.First(&release, id).Error; err != nil {
+		c.JSON(http.StatusNotFound, models.Response{
+			Code:    404,
+			Message: "发布不存在",
+		})
+		return
+	}
+
+	if release.Status != "pending" {
+		c.JSON(http.StatusBadRequest, models.Response{
+			Code:    400,
+			Message: "仅待审批状态可驳回",
+		})
+		return
+	}
+
+	release.Status = "rejected"
+	if err := h.db.Save(&release).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, models.Response{
+			Code:    500,
+			Message: "驳回失败",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, models.Response{
+		Code:    200,
+		Message: "已驳回",
+		Data:    release,
+	})
+}
+
+// RollbackRelease 回滚发布
+// @Summary 回滚发布
+// @Description 回滚应用发布
+// @Tags 应用发布
+// @Produce json
+// @Security Bearer
+// @Param id path int true "发布ID"
+// @Success 200 {object} models.Response{data=models.AppRelease}
+// @Router /releases/{id}/rollback [post]
+func (h *PipelineHandler) RollbackRelease(c *gin.Context) {
+	id, _ := strconv.Atoi(c.Param("id"))
+
+	var release models.AppRelease
+	if err := h.db.First(&release, id).Error; err != nil {
+		c.JSON(http.StatusNotFound, models.Response{
+			Code:    404,
+			Message: "发布不存在",
+		})
+		return
+	}
+
+	release.Status = "rolled_back"
+	// now := time.Now()
+	// release.RollbackAt = &now
+
+	if err := h.db.Save(&release).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, models.Response{
+			Code:    500,
+			Message: "回滚失败",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, models.Response{
+		Code:    200,
+		Message: "回滚成功",
+		Data:    release,
+	})
+}