diff --git a/docs/docs.go b/docs/docs.go
index e78a526..df31eed 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -582,6 +582,57 @@ const docTemplate = `{
                 }
             }
         },
+        "/audio/shareDelete": {
+            "get": {
+                "description": "根据 MAC 与分享码删除 Redis 中的分享码数据（仅创建者可删除）",
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "ShareCode"
+                ],
+                "summary": "删除 EQ 分享码",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "设备 MAC 地址",
+                        "name": "mac",
+                        "in": "query",
+                        "required": true
+                    },
+                    {
+                        "type": "string",
+                        "description": "5 位分享码",
+                        "name": "shareCode",
+                        "in": "query",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "删除成功",
+                        "schema": {
+                            "type": "object",
+                            "additionalProperties": true
+                        }
+                    },
+                    "400": {
+                        "description": "参数校验失败",
+                        "schema": {
+                            "type": "object",
+                            "additionalProperties": true
+                        }
+                    },
+                    "500": {
+                        "description": "系统错误",
+                        "schema": {
+                            "type": "object",
+                            "additionalProperties": true
+                        }
+                    }
+                }
+            }
+        },
         "/audio/shareList": {
             "get": {
                 "description": "根据设备 MAC 地址查询该设备尚未过期的所有分享码（仅查询 Redis，依赖 TTL 自动过期）",
diff --git a/docs/swagger.json b/docs/swagger.json
index 78045d3..2908a7b 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -575,6 +575,57 @@
                 }
             }
         },
+        "/audio/shareDelete": {
+            "get": {
+                "description": "根据 MAC 与分享码删除 Redis 中的分享码数据（仅创建者可删除）",
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "ShareCode"
+                ],
+                "summary": "删除 EQ 分享码",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "设备 MAC 地址",
+                        "name": "mac",
+                        "in": "query",
+                        "required": true
+                    },
+                    {
+                        "type": "string",
+                        "description": "5 位分享码",
+                        "name": "shareCode",
+                        "in": "query",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "删除成功",
+                        "schema": {
+                            "type": "object",
+                            "additionalProperties": true
+                        }
+                    },
+                    "400": {
+                        "description": "参数校验失败",
+                        "schema": {
+                            "type": "object",
+                            "additionalProperties": true
+                        }
+                    },
+                    "500": {
+                        "description": "系统错误",
+                        "schema": {
+                            "type": "object",
+                            "additionalProperties": true
+                        }
+                    }
+                }
+            }
+        },
         "/audio/shareList": {
             "get": {
                 "description": "根据设备 MAC 地址查询该设备尚未过期的所有分享码（仅查询 Redis，依赖 TTL 自动过期）",
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index 4f2176c..6373f39 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -384,6 +384,41 @@ paths:
       summary: 创建 EQ 分享码
       tags:
       - ShareCode
+  /audio/shareDelete:
+    get:
+      description: 根据 MAC 与分享码删除 Redis 中的分享码数据（仅创建者可删除）
+      parameters:
+      - description: 设备 MAC 地址
+        in: query
+        name: mac
+        required: true
+        type: string
+      - description: 5 位分享码
+        in: query
+        name: shareCode
+        required: true
+        type: string
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: 删除成功
+          schema:
+            additionalProperties: true
+            type: object
+        "400":
+          description: 参数校验失败
+          schema:
+            additionalProperties: true
+            type: object
+        "500":
+          description: 系统错误
+          schema:
+            additionalProperties: true
+            type: object
+      summary: 删除 EQ 分享码
+      tags:
+      - ShareCode
   /audio/shareList:
     get:
       description: 根据设备 MAC 地址查询该设备尚未过期的所有分享码（仅查询 Redis，依赖 TTL 自动过期）
diff --git a/internal/cache/share_code_cache.go b/internal/cache/share_code_cache.go
index 0a3f662..6a17df0 100644
--- a/internal/cache/share_code_cache.go
+++ b/internal/cache/share_code_cache.go
@@ -28,6 +28,7 @@
 //	创建: Lua 原子写入 hash + SADD pending + ZADD mac 索引
 //	查询: ZREMRANGEBYSCORE 清过期索引 → ZRANGE 取剩余 → HGETALL 兆底校验
 //	导入: HGETALL hash → HSET import:pending (幂等)
+//	删除: 校验 mac+code → DEL hash + SREM pending + ZREM mac 索引
 //	持久化: 每 5 分钟任务 SMEMBERS/HGETALL pending → INSERT DB → 移除 pending 条目
 package cache
 
@@ -84,6 +85,27 @@ redis.call('EXPIRE', KEYS[3], tonumber(ARGV[9]))
 return 1
 `)
 
+var shareDeleteScript = redis.NewScript(`
+if redis.call('EXISTS', KEYS[1]) == 0 then
+  return 0
+end
+if redis.call('HGET', KEYS[1], 'mac_addr') ~= ARGV[1] then
+  return -1
+end
+redis.call('DEL', KEYS[1])
+redis.call('SREM', KEYS[2], ARGV[2])
+redis.call('ZREM', KEYS[3], ARGV[2])
+return 1
+`)
+
+type ShareDeleteResult int
+
+const (
+	ShareDeleteNotFound ShareDeleteResult = 0
+	ShareDeleteForbidden ShareDeleteResult = -1
+	ShareDeleteOK ShareDeleteResult = 1
+)
+
 type ShareImportPendingLog struct {
 	MacAddr   string `json:"mac_addr"`
 	ShareCode string `json:"share_code"`
@@ -296,6 +318,18 @@ func (c *ShareCodeCache) ListByMac(ctx context.Context, macAddr string) ([]*Shar
 	return result, nil
 }
 
+func (c *ShareCodeCache) Delete(ctx context.Context, macAddr, shareCode string) (ShareDeleteResult, error) {
+	key := shareCodeKey(shareCode)
+	macIdxKey := shareMacIndexKey(macAddr)
+	ok, err := shareDeleteScript.Run(ctx, c.rdb, []string{key, sharePendingSet, macIdxKey},
+		macAddr, shareCode,
+	).Int()
+	if err != nil {
+		return ShareDeleteNotFound, fmt.Errorf("delete share code in redis: %w", err)
+	}
+	return ShareDeleteResult(ok), nil
+}
+
 func shareMacIndexKey(macAddr string) string {
 	return shareMacIndexPrefix + macAddr
 }
diff --git a/internal/handler/share_code.go b/internal/handler/share_code.go
index 0eed3b4..c9f19cb 100644
--- a/internal/handler/share_code.go
+++ b/internal/handler/share_code.go
@@ -313,3 +313,70 @@ func (h *ShareCodeHandler) lookupShareCode(c *gin.Context, shareCode string) (*c
 	}
 	return data, true
 }
+
+// DeleteShareCode 删除分享码
+//
+//	@Summary		删除 EQ 分享码
+//	@Description	根据 MAC 与分享码删除 Redis 中的分享码数据（仅创建者可删除）
+//	@Tags			ShareCode
+//	@Produce		json
+//	@Param			mac			query		string			true	"设备 MAC 地址"
+//	@Param			shareCode	query		string			true	"5 位分享码"
+//	@Success		200			{object}	map[string]any	"删除成功"
+//	@Failure		400			{object}	map[string]any	"参数校验失败"
+//	@Failure		500			{object}	map[string]any	"系统错误"
+//	@Router			/audio/shareDelete [get]
+//
+// GET /audio/shareDelete?mac=xx&shareCode=ABC12
+func (h *ShareCodeHandler) DeleteShareCode(c *gin.Context) {
+	mac := strings.TrimSpace(c.Query("mac"))
+	shareCode := strings.TrimSpace(c.Query("shareCode"))
+
+	if mac == "" || shareCode == "" {
+		c.JSON(http.StatusOK, gin.H{
+			"code": 400,
+			"msg":  "参数校验失败",
+		})
+		return
+	}
+	if len(shareCode) != 5 {
+		c.JSON(http.StatusOK, gin.H{
+			"code": 0,
+			"msg":  "分享码无效或已过期",
+		})
+		return
+	}
+
+	ctx := c.Request.Context()
+	result, err := h.cache.Delete(ctx, mac, shareCode)
+	if err != nil {
+		h.log.Error("delete share code failed",
+			zap.String("mac", mac),
+			zap.String("share_code", shareCode),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusOK, gin.H{
+			"code": 500,
+			"msg":  "系统错误",
+		})
+		return
+	}
+
+	switch result {
+	case cache.ShareDeleteOK:
+		c.JSON(http.StatusOK, gin.H{
+			"code": 200,
+			"msg":  "操作成功",
+		})
+	case cache.ShareDeleteForbidden:
+		c.JSON(http.StatusOK, gin.H{
+			"code": 0,
+			"msg":  "无权删除该分享码",
+		})
+	default:
+		c.JSON(http.StatusOK, gin.H{
+			"code": 0,
+			"msg":  "分享码无效或已过期",
+		})
+	}
+}
diff --git a/internal/router/router.go b/internal/router/router.go
index a8e06c1..449ea2c 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -74,6 +74,7 @@ func New(log *zap.Logger, db *sql.DB, searchClient *search.Client, rdb *redis.Cl
 		audio.GET("/shareList", shareCode.ListShareCodesByMac)
 		audio.GET("/shareQuery", shareCode.QueryShareCode)
 		audio.GET("/shareAccept", shareCode.ImportShareCode)
+		audio.GET("/shareDelete", shareCode.DeleteShareCode)
 	}
 
 	return r