diff --git a/ipfn b/ipfn
index cc015c3..59d133d 100755
--- a/ipfn
+++ b/ipfn
@@ -1,8 +1,8 @@
 #!/bin/bash
 # Name: ipfn
-# Version: 1.2.7
+# Version: 1.2.8
 # Date: 2026-01-22
-# Description: Fixed grep errors after 'all' delete and streamlined exit paths.
+# Description: Fixed logical fall-through after all-clear to prevent grep errors.
 
 if [ "$(id -u)" -ne 0 ]; then
     exec sudo "$0" "$@"
@@ -19,11 +19,11 @@ QUIET_MODE=false
 msg() { [[ "$QUIET_MODE" == false ]] && echo -e "$@"; }
 
 init_nft() {
-    nft add table inet ${TABLE_NAME} 2>/dev/null
-    nft add chain inet ${TABLE_NAME} prerouting { type nat hook prerouting priority -100 \; } 2>/dev/null
-    nft add chain inet ${TABLE_NAME} output { type nat hook output priority -100 \; } 2>/dev/null
-    nft add chain inet ${TABLE_NAME} postrouting { type nat hook postrouting priority 100 \; } 2>/dev/null
-    nft add chain inet ${TABLE_NAME} forward { type filter hook forward priority 0 \; policy accept \; } 2>/dev/null
+    nft add table inet "${TABLE_NAME}" 2>/dev/null
+    nft add chain inet "${TABLE_NAME}" prerouting { type nat hook prerouting priority -100 \; } 2>/dev/null
+    nft add chain inet "${TABLE_NAME}" output { type nat hook output priority -100 \; } 2>/dev/null
+    nft add chain inet "${TABLE_NAME}" postrouting { type nat hook postrouting priority 100 \; } 2>/dev/null
+    nft add chain inet "${TABLE_NAME}" forward { type filter hook forward priority 0 \; policy accept \; } 2>/dev/null
 }
 
 enable_forwarding() {
@@ -56,7 +56,7 @@ list_rules() {
     msg "Forwarding Rules (ipfn):"
     printf "%-10s %-6s %-20s %-20s %-10s\n" "HANDLE" "PROTO" "LOCAL" "TARGET" "UUID"
     echo "-----------------------------------------------------------------------------------"
-    nft -a list chain inet "${TABLE_NAME}" prerouting | grep "dnat" | while read -r line; do
+    nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "dnat" | while read -r line; do
         handle=$(echo "$line" | grep -o 'handle [0-9]*' | awk '{print $2}')
         proto=$(echo "$line" | grep -q "udp" && echo "udp" || echo "tcp")
         target=$(echo "$line" | grep -oE '([0-9.]+|\[[0-9a-fA-F:]+\]):[0-9]+' | head -n 1)
@@ -84,7 +84,7 @@ test_rule_by_port() {
 # --- 2. Deletion & Reset ---
 
 validate_rule_handle() {
-    nft -a list chain inet "${TABLE_NAME}" prerouting | grep "handle $1" | grep -q "dnat"
+    nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "handle $1" | grep -q "dnat"
 }
 
 all_clear() {
@@ -97,13 +97,18 @@ all_clear() {
     init_nft
     msg "All rules cleared successfully."
     list_rules
-    exit 0 # 全削除したらここで終了
+    exit 0 # 確実にここで終わらせる
 }
 
+# --- 3. Parsing Logic ---
+
 parse_delete_targets() {
     local input="$1"
     local -a final_handles=()
+    
+    # 'all' や '*' なら即座に全削除へ（戻ってこない）
     [[ "$input" == "*" || "$input" == "all" ]] && all_clear
+
     IFS=',' read -r -a parts <<< "$input"
     for part in "${parts[@]}"; do
         if [[ "$part" =~ ^:([0-9]+)$ ]]; then
@@ -121,8 +126,6 @@ parse_delete_targets() {
     echo "${final_handles[@]}"
 }
 
-# --- 3. Adding Logic ---
-
 add_rule() {
     init_nft
     local raw_input="$1"
@@ -149,7 +152,7 @@ add_rule() {
     [[ "$SKIP_TEST" == false ]] && { echo ""; test_rule_by_port "$lp"; }
 }
 
-# --- 4. Main Parsing ---
+# --- 4. Main Parsing Loop ---
 
 for arg in "$@"; do
     [[ "$arg" =~ q ]] && QUIET_MODE=true && FORCE_FLAG=true && SKIP_TEST=true
@@ -173,11 +176,11 @@ while [[ $# -gt 0 ]]; do
             if [[ "$h_str" =~ ^:?([0-9]+):?$ ]]; then
                 target_port="${BASH_REMATCH[1]}"
             elif [[ -n "$h_str" ]]; then
-                target_port=$(nft -a list chain inet "${TABLE_NAME}" prerouting | grep "handle $h_str" | grep -o 'dport [0-9]*' | awk '{print $2}')
+                target_port=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "handle $h_str" | grep -o 'dport [0-9]*' | awk '{print $2}')
             else
-                count=$(nft list chain inet "${TABLE_NAME}" prerouting | grep -c "dnat")
+                count=$(nft list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep -c "dnat")
                 if [ "$count" -eq 1 ]; then
-                    target_port=$(nft -a list chain inet "${TABLE_NAME}" prerouting | grep "dnat" | grep -o 'dport [0-9]*' | awk '{print $2}')
+                    target_port=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "dnat" | grep -o 'dport [0-9]*' | awk '{print $2}')
                 fi
             fi
             [[ -n "$target_port" ]] && test_rule_by_port "$target_port" || msg "Error: Port/Handle not found."
@@ -185,22 +188,27 @@ while [[ $# -gt 0 ]]; do
         -*[d]*)
             h_str=$(echo "$1" | sed -E 's/^-q?d?f?//')
             [[ -z "$h_str" ]] && { h_str="$2"; shift; }
+            
+            # parse_delete_targets の中で 'all' 判定があれば exit するので、ここには戻らない
             handles=($(parse_delete_targets "$h_str"))
+            
             [[ ${#handles[@]} -eq 0 ]] && { msg "No valid targets."; exit 1; }
+            
             if [[ "$FORCE_FLAG" == false ]]; then
                 msg "Review rules to delete (Top-level only):"
                 for h in "${handles[@]}"; do
-                    nft -a list chain inet "${TABLE_NAME}" prerouting | grep "handle $h" | sed 's/^/  /'
+                    nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "handle $h" | sed 's/^/  /'
                 done
                 read -p "Delete these rules and their sub-rules? (y/N): " confirm
                 [[ ! "$confirm" =~ ^[yY]$ ]] && exit 0
             fi
+            
             for h in "${handles[@]}"; do
-                ri=$(nft -a list chain inet "${TABLE_NAME}" prerouting | grep "handle $h")
+                ri=$(nft -a list chain inet "${TABLE_NAME}" prerouting 2>/dev/null | grep "handle $h")
                 [[ -z "$ri" ]] && continue
                 uuid=$(echo "$ri" | grep -o 'ipf-id:[a-z0-9-]*' | head -n 1)
                 for c in prerouting output forward postrouting; do
-                    nft -a list chain inet "${TABLE_NAME}" "$c" | grep "$uuid" | grep -o 'handle [0-9]*' | awk '{print $2}' | while read -r rh; do
+                    nft -a list chain inet "${TABLE_NAME}" "$c" 2>/dev/null | grep "$uuid" | grep -o 'handle [0-9]*' | awk '{print $2}' | while read -r rh; do
                         nft delete rule inet "${TABLE_NAME}" "$c" handle "$rh"
                     done
                 done