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miniprogram_npm/tdesign-miniprogram/textarea/textarea.wxss

@@ -26,12 +26,16 @@
   transform: scale(1.5);
 }
 .t-textarea {
+  display: flex;
+  flex-direction: column;
+  box-sizing: border-box;
   padding: 32rpx 32rpx;
   background-color: var(--td-textarea-background-color, var(--td-bg-color-block, #fff));
 }
 .t-textarea__label:not(:empty) {
   font-size: var(--td-font-size-base, 28rpx);
   color: var(--td-textarea-label-color, var(--td-font-gray-1, rgba(0, 0, 0, 0.9)));
+  flex-shrink: 0;
   line-height: 44rpx;
   padding-bottom: var(--td-spacer, 16rpx);
   overflow: hidden;
@@ -39,13 +43,19 @@
   text-overflow: ellipsis;
 }
 .t-textarea__wrapper {
+  display: flex;
+  flex-direction: column;
   width: 100%;
+  flex: 1 1 auto;
+  overflow: hidden;
 }
 .t-textarea__wrapper-inner {
+  flex: 1 1 auto;
   box-sizing: border-box;
   width: inherit;
-  height: 144rpx;
   min-width: 0;
+  height: 100%;
+  min-height: 20px;
   margin: 0;
   padding: 0;
   text-align: left;