diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/common/PbContentRender.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/common/PbContentRender.kt
index 18f082dc..55c87d35 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/common/PbContentRender.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/common/PbContentRender.kt
@@ -271,6 +271,7 @@ fun PbContentText(
         textDecoration = textDecoration,
         textAlign = textAlign,
         lineHeight = lineHeight,
+        lineSpacing = 0.8.sp,
         overflow = overflow,
         softWrap = softWrap,
         maxLines = maxLines,
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/widgets/compose/FeedCard.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/widgets/compose/FeedCard.kt
index cfd95607..2ee1db2f 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/widgets/compose/FeedCard.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/widgets/compose/FeedCard.kt
@@ -46,6 +46,7 @@ import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.res.vectorResource
+import androidx.compose.ui.text.ExperimentalTextApi
 import androidx.compose.ui.text.SpanStyle
 import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.text.font.FontWeight
@@ -201,6 +202,7 @@ private fun Badge(
     }
 }
 
+@OptIn(ExperimentalTextApi::class)
 @Composable
 fun ThreadContent(
     title: String = "",
@@ -228,7 +230,9 @@ fun ThreadContent(
                 append(title)
             }
         }
-        if (showTitle && showAbstract) append('\n')
+        if (showTitle && showAbstract) {
+            append('\n')
+        }
         if (showAbstract) {
             append(abstractText.emoticonString)
         }
@@ -238,7 +242,7 @@ fun ThreadContent(
         text = content,
         modifier = Modifier.fillMaxWidth(),
         fontSize = 15.sp,
-        lineHeight = 22.sp,
+        lineSpacing = 0.8.sp,
         overflow = TextOverflow.Ellipsis,
         maxLines = 5,
         style = MaterialTheme.typography.body1
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/widgets/compose/Texts.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/widgets/compose/Texts.kt
index aa07ddb3..6ca1edef 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/widgets/compose/Texts.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/widgets/compose/Texts.kt
@@ -57,7 +57,7 @@ import com.huanchengfly.tieba.post.spToPxFloat
 import com.huanchengfly.tieba.post.ui.common.theme.compose.ExtendedTheme
 import com.huanchengfly.tieba.post.utils.EmoticonManager
 import com.huanchengfly.tieba.post.utils.EmoticonUtil.emoticonString
-import com.huanchengfly.tieba.post.utils.getEmoticonHeightPx
+import com.huanchengfly.tieba.post.utils.calcLineHeightPx
 
 @Composable
 fun EmoticonText(
@@ -72,6 +72,7 @@ fun EmoticonText(
     textDecoration: TextDecoration? = null,
     textAlign: TextAlign? = null,
     lineHeight: TextUnit = TextUnit.Unspecified,
+    lineSpacing: TextUnit = 0.sp,
     overflow: TextOverflow = TextOverflow.Clip,
     softWrap: Boolean = true,
     maxLines: Int = Int.MAX_VALUE,
@@ -93,6 +94,7 @@ fun EmoticonText(
         textDecoration,
         textAlign,
         lineHeight,
+        lineSpacing,
         overflow,
         softWrap,
         maxLines,
@@ -116,6 +118,7 @@ fun EmoticonText(
     textDecoration: TextDecoration? = null,
     textAlign: TextAlign? = null,
     lineHeight: TextUnit = TextUnit.Unspecified,
+    lineSpacing: TextUnit = 0.sp,
     overflow: TextOverflow = TextOverflow.Clip,
     softWrap: Boolean = true,
     maxLines: Int = Int.MAX_VALUE,
@@ -143,9 +146,11 @@ fun EmoticonText(
             letterSpacing = letterSpacing
         )
     )
-    val sizePx = getEmoticonHeightPx(mergedStyle) * emoticonSize
+    val sizePx = calcLineHeightPx(mergedStyle)
+    val spacingLineHeight =
+        remember(sizePx) { (sizePx + lineSpacing.value.spToPxFloat()).pxToSpFloat().sp }
     val emoticonInlineContent =
-        remember(sizePx) { EmoticonManager.getEmoticonInlineContent(sizePx) }
+        remember(sizePx) { EmoticonManager.getEmoticonInlineContent(sizePx * emoticonSize) }
     IconText(
         text,
         modifier,
@@ -157,7 +162,7 @@ fun EmoticonText(
         letterSpacing,
         textDecoration,
         textAlign,
-        lineHeight,
+        spacingLineHeight,
         overflow,
         softWrap,
         maxLines,
@@ -207,7 +212,7 @@ fun IconText(
             letterSpacing = letterSpacing
         )
     )
-    val sizePx = getEmoticonHeightPx(mergedStyle) * 9 / 10
+    val sizePx = calcLineHeightPx(mergedStyle) * 9 / 10
     val sizeSp = sizePx.pxToSp(LocalContext.current).sp
     val sizeDp = sizePx.pxToDp().dp
     val iconInlineContent =
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/utils/EmoticonManager.kt b/app/src/main/java/com/huanchengfly/tieba/post/utils/EmoticonManager.kt
index a41ee4cb..8fbc4e05 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/utils/EmoticonManager.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/utils/EmoticonManager.kt
@@ -44,10 +44,10 @@ import java.lang.ref.WeakReference
 
 @OptIn(ExperimentalTextApi::class)
 @Composable
-fun getEmoticonHeightPx(style: TextStyle): Int {
+fun calcLineHeightPx(style: TextStyle): Int {
     val textMeasurer = rememberTextMeasurer()
     val textLayoutResult = textMeasurer.measure(
-        AnnotatedString(stringResource(id = R.string.emoticon_default)),
+        AnnotatedString(stringResource(id = R.string.single_chinese_char)),
         style
     )
     return textLayoutResult.size.height