diff --git a/package.json b/package.json
index a766f07..b5cb6cc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fc2live-comment",
-  "version": "0.9.4",
+  "version": "0.9.5",
   "author": "umi",
   "description": "Comment viewer for FC2 Live",
   "license": "MIT",
diff --git a/src/renderer/components/Comment.vue b/src/renderer/components/Comment.vue
index ebc138d..cc83c7a 100644
--- a/src/renderer/components/Comment.vue
+++ b/src/renderer/components/Comment.vue
@@ -100,6 +100,9 @@
 			sliderWidth () {
 				return this.width - 10
 			},
+			ignoreSystemError () {
+				return this.$store.getters['Config/ignore_system_error']
+			},
 			configStyle () {
 				return {
 					comment_box: {
@@ -219,6 +222,14 @@
 						case '98':
 						case '99':
 						default:
+							if (this.ignoreSystemError === 1) {
+								this.timer = setTimeout(() => {
+									if (this.syncStatus === 1) {
+										this.sync()
+									}
+								}, 1000)
+								return
+							}
 							options.title = ''
 							options.message = 'エラーが発生しました'
 							options.detail = `システムエラーが発生しました。(${err.message})`
diff --git a/src/renderer/components/Config.vue b/src/renderer/components/Config.vue
index 8011fba..b382bcc 100644
--- a/src/renderer/components/Config.vue
+++ b/src/renderer/components/Config.vue
@@ -30,6 +30,13 @@
 						<span>Comment Index</span>
 					</label>
 				</div>
+
+				<div class="check_group">
+					<label for="ignore_system_error_checkbox">
+						<input @change="changeIgnoreSystemError" type="checkbox" id="ignore_system_error_checkbox" name="ignore_system_error_checkbox" v-model="check_ignore_system_error">
+						<span>システムエラーを無視する</span>
+					</label>
+				</div>
 			</div>
 
 			<div class="title">
@@ -139,7 +146,8 @@
 				radio_style_type: '1',
 				platform: require('os').platform(),
 				check_bouyomi: false,
-				check_display_index: false
+				check_display_index: false,
+				check_ignore_system_error: false
 			}
 		},
 		computed: {
@@ -229,6 +237,9 @@
 			changeDisplayIndex () {
 				this.$store.dispatch('Config/setDisplayIndex', this.check_display_index)
 			},
+			changeIgnoreSystemError () {
+				this.$store.dispatch('Config/setIgnoreSystemError', this.check_ignore_system_error)
+			},
 			clearData () {
 				this.$store.dispatch('Config/clear')
 				this.$store.dispatch('Comment/clear')
@@ -240,10 +251,12 @@
 				const style = this.$store.getters['Config/style_type']
 				const bouyomi = this.$store.getters['Config/bouyomi']
 				const displayIndex = this.$store.getters['Config/display_index']
+				const ignoreSystemError = this.$store.getters['Config/ignore_system_error']
 				this.$refs['theme' + style].checked = true
 				this.radio_style_type = style
 				this.check_bouyomi = bouyomi === 1
 				this.check_display_index = displayIndex === 1
+				this.check_ignore_system_error = ignoreSystemError === 1
 			})
 		}
 	}
diff --git a/src/renderer/store/modules/Config.js b/src/renderer/store/modules/Config.js
index 6e77f7a..56b9ce7 100644
--- a/src/renderer/store/modules/Config.js
+++ b/src/renderer/store/modules/Config.js
@@ -40,7 +40,8 @@ const state = {
 	style_type: nvl(localStorage.getItem('config_style_type'), 1),
 	bouyomi: ~~nvl(localStorage.getItem('config_bouyomi'), 0),
 	bouyomi_port: ~~nvl(localStorage.getItem('config_bouyomi_port'), 50001),
-	display_index: ~~nvl(localStorage.getItem('config_display_index'), 0)
+	display_index: ~~nvl(localStorage.getItem('config_display_index'), 0),
+	ignore_system_error: ~~nvl(localStorage.getItem('config_ignore_system_error'), 0)
 }
 
 const mutations = {
@@ -64,6 +65,9 @@ const mutations = {
 	},
 	SET_DISPLAY_INDEX (state, type) {
 		state.display_index = type
+	},
+	SET_IGNORE_SYSTEM_ERROR (state, type) {
+		state.ignore_system_error = type
 	}
 }
 
@@ -115,6 +119,11 @@ const actions = {
 		state.commit('SET_DISPLAY_INDEX', displayIndex)
 		localStorage.setItem('config_display_index', displayIndex)
 	},
+	setIgnoreSystemError (state, type) {
+		const ignoreSystemError = type ? 1 : 0
+		state.commit('SET_IGNORE_SYSTEM_ERROR', ignoreSystemError)
+		localStorage.setItem('config_ignore_system_error', ignoreSystemError)
+	},
 	clear (state) {
 		state.commit('SET_CHANNEL', '')
 		state.commit('SET_TOKEN', '')
@@ -123,6 +132,7 @@ const actions = {
 		state.commit('SET_BOUYOMI', 0)
 		state.commit('SET_BOUYOMI_PORT', 50001)
 		state.commit('SET_DISPLAY_INDEX', 0)
+		state.commit('SET_IGNORE_SYSTEM_ERROR', 0)
 		localStorage.clear()
 	}
 }
@@ -134,7 +144,8 @@ const getters = {
 	style_type (state) { return state.style_type },
 	bouyomi (state) { return state.bouyomi },
 	bouyomi_port (state) { return state.bouyomi_port },
-	display_index (state) { return state.display_index }
+	display_index (state) { return state.display_index },
+	ignore_system_error (state) { return state.ignore_system_error }
 }
 
 export default {