diff --git a/src/renderer/src/components/SystemSettings/SystemSettings.jsx b/src/renderer/src/components/SystemSettings/SystemSettings.jsx
index 7713261..9c2546c 100644
--- a/src/renderer/src/components/SystemSettings/SystemSettings.jsx
+++ b/src/renderer/src/components/SystemSettings/SystemSettings.jsx
@@ -42,6 +42,7 @@ function SystemSettings() {
   // 实时数据记录状态
   const [realtimeDataEnabled, setRealtimeDataEnabled] = useState(false)
   const [alarmDataEnabled, setAlarmDataEnabled] = useState(false)
+  const [distanceDrafts, setDistanceDrafts] = useState({})
 
   // 算法设置 Modal 状态
   const [algorithmModalVisible, setAlgorithmModalVisible] = useState(false)
@@ -178,6 +179,29 @@ function SystemSettings() {
     setActiveCorrectionDistance
   ])
 
+  useEffect(() => {
+    setDistanceDrafts((prevDrafts) => {
+      const nextDrafts = {}
+      let changed = false
+
+      correctionProfiles.forEach((profile) => {
+        const draftValue = prevDrafts[profile.distance]
+        nextDrafts[profile.distance] =
+          draftValue === undefined ? String(profile.distance) : draftValue
+
+        if (nextDrafts[profile.distance] !== prevDrafts[profile.distance]) {
+          changed = true
+        }
+      })
+
+      if (Object.keys(prevDrafts).length !== correctionProfiles.length) {
+        changed = true
+      }
+
+      return changed ? nextDrafts : prevDrafts
+    })
+  }, [correctionProfiles])
+
   // 新增：写入实时数据到CSV文件
   const writeRealtimeDataToCSV = useCallback(
     async (data) => {
@@ -760,6 +784,12 @@ function SystemSettings() {
         activeCorrectionDistance === distance ? normalizedDistance : activeCorrectionDistance
 
       persistCorrectionConfig(nextProfiles, nextActiveDistance)
+      setDistanceDrafts((prev) => {
+        const next = { ...prev }
+        delete next[distance]
+        next[normalizedDistance] = String(normalizedDistance)
+        return next
+      })
       message.success(`已更新 ${normalizedDistance} 米距离配置`)
       return
     }
@@ -802,14 +832,44 @@ function SystemSettings() {
     persistCorrectionConfig(nextConfig.profiles, nextConfig.activeDistance)
     setActiveCorrectionByDistance(nextConfig.activeDistance)
 
-    if (nextConfig.activeDistance === DEFAULT_CORRECTION_DISTANCE && distance === activeCorrectionDistance) {
-      message.success(`已删除 ${distance} 米配置，当前已切换到 ${DEFAULT_CORRECTION_DISTANCE} 米`)
+    if (distance === activeCorrectionDistance && nextConfig.activeDistance !== distance) {
+      message.success(`已删除 ${distance} 米配置，当前已切换到 ${nextConfig.activeDistance} 米`)
       return
     }
 
     message.success(`已删除 ${distance} 米修正系数`)
   }
 
+  const handleDistanceDraftChange = (distance, value) => {
+    setDistanceDrafts((prev) => ({
+      ...prev,
+      [distance]: value == null ? '' : String(value)
+    }))
+  }
+
+  const commitDistanceDraft = (distance) => {
+    const draftValue = distanceDrafts[distance]
+    const normalizedDistance = Number(draftValue)
+
+    if (!Number.isInteger(normalizedDistance) || normalizedDistance <= 0) {
+      setDistanceDrafts((prev) => ({
+        ...prev,
+        [distance]: String(distance)
+      }))
+      return
+    }
+
+    if (normalizedDistance === distance) {
+      setDistanceDrafts((prev) => ({
+        ...prev,
+        [distance]: String(distance)
+      }))
+      return
+    }
+
+    handleCorrectionProfileChange(distance, 'distance', normalizedDistance)
+  }
+
   return (
     <Flex vertical gap={4} className={styles.container}>
       <div className={styles.header}>
@@ -1087,10 +1147,11 @@ function SystemSettings() {
             <div className={styles.correctionCardList}>
               {correctionProfiles.map((profile) => {
                 const isActive = profile.distance === activeCorrectionDistance
+                const distanceDraft = distanceDrafts[profile.distance]
 
                 return (
                   <div
-                    key={profile.distance}
+                    key={`correction-profile-${profile.distance}`}
                     className={`${styles.correctionCard} ${isActive ? styles.correctionCardActive : ''}`}
                   >
                     <div className={styles.correctionCardHeader}>
@@ -1128,10 +1189,10 @@ function SystemSettings() {
                       <InputNumber
                         min={1}
                         precision={0}
-                        value={profile.distance}
-                        onChange={(nextValue) =>
-                          handleCorrectionProfileChange(profile.distance, 'distance', nextValue)
-                        }
+                        value={distanceDraft === undefined || distanceDraft === '' ? null : Number(distanceDraft)}
+                        onChange={(nextValue) => handleDistanceDraftChange(profile.distance, nextValue)}
+                        onBlur={() => commitDistanceDraft(profile.distance)}
+                        onPressEnter={() => commitDistanceDraft(profile.distance)}
                         className={styles.correctionDistanceInput}
                       />
                     </div>
diff --git a/src/renderer/src/utils/deflectionCorrection.js b/src/renderer/src/utils/deflectionCorrection.js
index 8d4b8de..1292898 100644
--- a/src/renderer/src/utils/deflectionCorrection.js
+++ b/src/renderer/src/utils/deflectionCorrection.js
@@ -156,11 +156,9 @@ export const removeCorrectionProfileWithFallback = (profiles, activeDistance, di
     }
   }
 
-  const profilesWithDefault = ensureDefaultDistanceProfile(nextProfiles)
-
   return {
-    profiles: profilesWithDefault,
-    activeDistance: DEFAULT_CORRECTION_DISTANCE
+    profiles: nextProfiles,
+    activeDistance: nextProfiles[0].distance
   }
 }