diff --git a/App.vue b/App.vue
index 319a02a..f6f507f 100644
--- a/App.vue
+++ b/App.vue
@@ -42,7 +42,7 @@
 		},
 		methods: {
 			// 添加一个消息回调
-			addMsgEvent(type, key, callBack) {
+			on(type, key, callBack) {
 				switch (type) {
 					case "land": //地块消息回调
 						this.landFun[key] = callBack;
@@ -52,6 +52,17 @@
 						break;
 				}
 			},
+			// 删除一个消息回调
+			off(type, key) {
+				switch (type) {
+					case "land": //地块消息回调
+						delete this.landFun[key]
+						break;
+					case "mqtt": //mqtt消息回调
+						delete this.mqttFun[key]
+						break;
+				}
+			},
 			// 给某个回调函数发送数据
 			sendMsgEvent(type, data) {
 				let func = {};
diff --git a/pages/dev-ops/station.vue b/pages/dev-ops/station.vue
index a2260d5..c241340 100644
--- a/pages/dev-ops/station.vue
+++ b/pages/dev-ops/station.vue
@@ -121,7 +121,7 @@
 			}
 			this.rolaFrequency.range = list;
 			const that = this;
-			getApp().addMsgEvent("mqtt", "mqtt_devOps_station", function(e) {
+			getApp().on("mqtt", "mqtt_devOps_station", function(e) {
 				if (e.type == "state") {
 					// that.mqttConnected = e.connected;
 				} else if (e.type == "msg") {
@@ -142,7 +142,6 @@
 							})
 						}
 						that.dataObj[deviceCode] = obj;
-						console.error("this.dataObj:", that.dataObj);
 					}
 				}
 			});
@@ -151,11 +150,11 @@
 		mounted() {},
 		onUnload() {
 			getApp().mqttUnsubscribes(this.topics);
+			getApp().off("mqtt", "mqtt_devOps_station")
 		},
 		methods: {
 			queryList(pageNo, pageSize) {
 				DevOpsApi.getStationList(this.landId).then(res => {
-					console.error("res:", res);
 					this.$refs.paging.completeByTotal(res.rows);
 					this.mqttSubscribes(res.rows);
 				});
diff --git a/pages/dev-ops/valve.vue b/pages/dev-ops/valve.vue
index bf5277b..e5d4bec 100644
--- a/pages/dev-ops/valve.vue
+++ b/pages/dev-ops/valve.vue
@@ -138,7 +138,7 @@
 			}
 			this.rolaFrequency.range = list;
 			const that = this;
-			getApp().addMsgEvent("mqtt", "mqtt_devOps_valve", function(e) {
+			getApp().on("mqtt", "mqtt_devOps_valve", function(e) {
 				if (e.type == "state") {
 					// that.mqttConnected = e.connected;
 				} else if (e.type == "msg") {
@@ -154,20 +154,13 @@
 								lf: e.data.data.lf,
 							})
 						}
-						that.dataObj[deviceCode] = obj;
-						console.error("this.dataObj:", that.dataObj);
-					}
-					if (e.topic.includes("jsy/iot/valveUpdateLoraRes/")) {
-						const arr = e.topic.split("/");
-						const deviceCode = arr[3];
-						let obj = that.dataObj[deviceCode] || {};
 						if (e.data.type == "vlf" && e.data.res == 1) {
 							obj = Object.assign(obj, {
 								lf: e.data.data,
 							})
 						}
+						
 						that.dataObj[deviceCode] = obj;
-						console.error("this.dataObj:", that.dataObj);
 					}
 				}
 			});
@@ -176,6 +169,7 @@
 		mounted() {},
 		onUnload() {
 			getApp().mqttUnsubscribes(this.topics);
+			getApp().off("mqtt", "mqtt_devOps_valve")
 		},
 		methods: {
 			queryList(pageNo, pageSize) {
@@ -189,7 +183,6 @@
 					let topic = [];
 					rows.forEach(item => {
 						topic.push(`jsy/iot/deviceConfig/${item.device.deviceTypeId}/${item.device.deviceCode}`);//获取配置
-						topic.push(`jsy/iot/valveUpdateLoraRes/${item.device.deviceCode}`);//修改频段
 					});
 					this.topics = topic;
 					getApp().mqttSubscribes(this.topics);
diff --git a/pages/fourmonitor/pest.vue b/pages/fourmonitor/pest.vue
index c7f72e0..b58bec9 100644
--- a/pages/fourmonitor/pest.vue
+++ b/pages/fourmonitor/pest.vue
@@ -253,7 +253,7 @@
 					let topic = "jsy/iot/push/outProduct/" + this.item.deviceCode;
 					this.topics.push(topic);
 					this.mqttSubscribes(this.topics);
-					getApp().addMsgEvent("mqtt", "mqtt_head", function(e) {
+					getApp().on("mqtt", "mqtt_head", function(e) {
 						if (e.type == "state") {
 							this.mqttConnected = e.connected;
 						} else if (e.type == "msg") {
@@ -265,6 +265,7 @@
 		},
 		onUnload() {
 			this.mqttUnSubscribes(this.topics);
+			getApp().off("mqtt", "mqtt_head")
 		},
 		methods: {
 			mqttSubscribes(topics) {
diff --git a/pages/fourmonitor/spore.vue b/pages/fourmonitor/spore.vue
index 3f1b318..d929a64 100644
--- a/pages/fourmonitor/spore.vue
+++ b/pages/fourmonitor/spore.vue
@@ -224,7 +224,7 @@
 					let topic = "jsy/iot/push/outProduct/" + this.item.deviceCode;
 					this.topics.push(topic);
 					this.mqttSubscribes(this.topics);
-					getApp().addMsgEvent("mqtt", "mqtt_head", function(e) {
+					getApp().on("mqtt", "mqtt_head", function(e) {
 						if (e.type == "state") {
 							this.mqttConnected = e.connected;
 						} else if (e.type == "msg") {
@@ -234,6 +234,9 @@
 				}
 			}
 		},
+		onUnload() {
+			getApp().off("mqtt", "mqtt_head")
+		},
 		methods: {
 			mqttSubscribes(topics) {
 				getApp().mqttSubscribes(topics);
diff --git a/pages/fourmonitor/weatherstation.vue b/pages/fourmonitor/weatherstation.vue
index 6671240..fa4a79a 100644
--- a/pages/fourmonitor/weatherstation.vue
+++ b/pages/fourmonitor/weatherstation.vue
@@ -213,7 +213,7 @@
 					let topic = "jsy/iot/push/outProduct/" + this.item.deviceCode;
 					this.topics.push(topic);
 					this.mqttSubscribes(this.topics);
-					getApp().addMsgEvent("mqtt", "mqtt_head", function(e) {
+					getApp().on("mqtt", "mqtt_head", function(e) {
 						if (e.type == "state") {
 							this.mqttConnected = e.connected;
 						} else if (e.type == "msg") {
@@ -223,6 +223,9 @@
 				}
 			}
 		},
+		onUnload() {
+			getApp().off("mqtt", "mqtt_head");
+		},
 		methods: {
 			mqttSubscribes(topics) {
 				getApp().mqttSubscribes(topics);
diff --git a/pages/head/fertilizerapplicator/detail.vue b/pages/head/fertilizerapplicator/detail.vue
index 0cb7c02..0529db7 100644
--- a/pages/head/fertilizerapplicator/detail.vue
+++ b/pages/head/fertilizerapplicator/detail.vue
@@ -461,7 +461,7 @@
 			let topic = "jsy/iot/push/outProduct/" + this.item.deviceCode;
 			this.topics.push(topic)
 			this.mqttSubscribes(this.topics);
-			getApp().addMsgEvent("mqtt", "mqtt_fertilizer", function(e) {
+			getApp().on("mqtt", "mqtt_fertilizer", function(e) {
 				if (e.type == "state") {
 					this.mqttConnected = e.connected;
 				} else if (e.type == "msg") {
@@ -472,6 +472,7 @@
 		},
 		onUnload() {
 			this.mqttUnSubscribes(this.topics);
+			getApp().off("mqtt", "mqtt_fertilizer")
 			// #ifdef APP-PLUS
 			plus.screen.lockOrientation('portrait-primary')
 			plus.navigator.setFullscreen(false);
diff --git a/pages/head/fertilizerapplicator/detailkl.vue b/pages/head/fertilizerapplicator/detailkl.vue
index 1e72f7c..5c98b34 100644
--- a/pages/head/fertilizerapplicator/detailkl.vue
+++ b/pages/head/fertilizerapplicator/detailkl.vue
@@ -405,7 +405,7 @@
 			let topic = "jsy/iot/push/outProduct/" + this.item.deviceCode;
 			this.topics.push(topic)
 			this.mqttSubscribes(this.topics);
-			getApp().addMsgEvent("mqtt", "mqtt_fertilizerKL", function(e) {
+			getApp().on("mqtt", "mqtt_fertilizerKL", function(e) {
 				if (e.type == "state") {
 					this.mqttConnected = e.connected;
 				} else if (e.type == "msg") {
@@ -416,6 +416,7 @@
 		},
 		onUnload() {
 			this.mqttUnSubscribes(this.topics);
+			getApp().off("mqtt", "mqtt_fertilizerKL")
 			// #ifdef APP-PLUS
 			plus.screen.lockOrientation('portrait-primary')
 			plus.navigator.setFullscreen(false);
diff --git a/pages/head/headdevice/detail.vue b/pages/head/headdevice/detail.vue
index 6bbc5b4..238ff7d 100644
--- a/pages/head/headdevice/detail.vue
+++ b/pages/head/headdevice/detail.vue
@@ -351,7 +351,7 @@
 				let topic = "jsy/iot/push/outProduct/" + this.item.deviceCode;
 				this.topics.push(topic);
 				this.mqttSubscribes(this.topics);
-				getApp().addMsgEvent("mqtt", "mqtt_head", function(e) {
+				getApp().on("mqtt", "mqtt_head", function(e) {
 					if (e.type == "state") {
 						this.mqttConnected = e.connected;
 					} else if (e.type == "msg") {
@@ -363,6 +363,7 @@
 		},
 		onUnload() {
 			this.mqttUnSubscribes(this.topics);
+			getApp().off("mqtt", "mqtt_head")
 			// #ifdef APP-PLUS
 			plus.screen.lockOrientation('portrait-primary')
 			plus.navigator.setFullscreen(false);
diff --git a/pages/index-map.vue b/pages/index-map.vue
index 5470ba4..de39ca5 100644
--- a/pages/index-map.vue
+++ b/pages/index-map.vue
@@ -450,14 +450,14 @@
 		},
 		onLoad() {
 			const that = this;
-			getApp().addMsgEvent("mqtt", "mqtt_map", function(e) {
+			getApp().on("mqtt", "mqtt_map", function(e) {
 				if (e.type == "state") {
 					that.mqttConnected = e.connected;
 				} else if (e.type == "msg") {
 					that.mapUpdateMarker(e.data);
 				}
 			});
-			getApp().addMsgEvent("land", "land_map", function(e) {
+			getApp().on("land", "land_map", function(e) {
 				this.mapOnload();
 			});
 		},
diff --git a/pages/index.vue b/pages/index.vue
index 3c365fe..eef2d0a 100644
--- a/pages/index.vue
+++ b/pages/index.vue
@@ -581,12 +581,12 @@
 		},
 		onLoad() {
 			const that = this;
-			getApp().addMsgEvent("mqtt", "mqtt_index", function(e) {
+			getApp().on("mqtt", "mqtt_index", function(e) {
 				if (e.type == "state") {
 					that.mqttConnected = e.connected;
 				} else if (e.type == "msg") {}
 			});
-			getApp().addMsgEvent("land", "land_index", function(e) {});
+			getApp().on("land", "land_index", function(e) {});
 		},
 		onShow() {
 			this.title = this.ijs?.land?.landName || "田间";