diff --git a/src/views/liveBroadcast/LiveBroadcast.vue b/src/views/liveBroadcast/LiveBroadcast.vue
index ce780b6..2a005f3 100644
--- a/src/views/liveBroadcast/LiveBroadcast.vue
+++ b/src/views/liveBroadcast/LiveBroadcast.vue
@@ -85,7 +85,7 @@
 
 					<botton 
 						class="btn" 
-						:style="{background: `${isAllowSign ? 'rgb(57, 146, 249)' :  '#999' }`,}" 
+						:style="{background: `${isAllowSign ? 'rgb(59, 191, 252)' :  '#999' }`,}" 
 						@click="signClick">
 						{{ data.signFlag ? "已签到" : "签到" }}
 					</botton>
@@ -213,7 +213,8 @@ const state = reactive({
 	isAllowSign: false,
 
 });
-const { activeName, teacher } = toRefs(state);
+const { activeName, teacher, isAllowSign } = toRefs(state);
+
 const signClick = () => {
 	if (!state.isAllowSign) {
 		// console.log("data.signFlag", data.value.signFlag, isAllowSign);
@@ -232,25 +233,26 @@ let timer = null;
 function isSignClick() {
 	timer = setInterval(() => {
 		let beginTime = new Date(data.value.liveStartTime).getTime();
-		let endTime = !data.value.afterSignIn
+		let endTime = !data.value.afterSignIn || data.value.afterSignIn == '0'
 			? new Date(data.value.liveEndTime).getTime()
 			: new Date(data.value.liveStartTime).getTime();
 		let nowTime = new Date().getTime();
-		if (data.value.beforeSignIn && data.value.afterSignIn) {
+		console.log('12121212', beginTime, endTime)
+		if(data.value.beforeSignIn && data.value.afterSignIn && data.value.beforeSignIn !=='0' && data.value.afterSignIn!=='0') {
 			//有开始前有开始后
 			beginTime = beginTime - data.value.beforeSignIn * 60 * 1000;
 			endTime = endTime + data.value.afterSignIn * 60 * 1000;
-			console.log("1111");
+			console.log("1111", beginTime, endTime);
 		} else if (
 			data.value.beforeSignIn &&
-			!data.value.afterSignIn
+			!data.value.afterSignIn && data.value.beforeSignIn !== '0' && data.value.afterSignIn == '0'
 		) {
 			//只有开始前无开始后
 			beginTime = beginTime - data.value.beforeSignIn * 60 * 1000;
 			console.log("11112222");
 		} else if (
 			!data.value.beforeSignIn &&
-			data.value.afterSignIn
+			data.value.afterSignIn && data.value.beforeSignIn == '0' && data.value.afterSignIn !== '0'
 		) {
 			//无开始前有开始后
 			endTime = endTime + data.value.afterSignIn * 60 * 1000;