diff --git a/public_html/assets/internal_api.php b/public_html/assets/internal_api.php
index 3bc5776..fb1fbef 100644
--- a/public_html/assets/internal_api.php
+++ b/public_html/assets/internal_api.php
@@ -1387,9 +1387,9 @@ class API extends CONF {
 							if (trim($_POST['sludge']) != "") {
 								$add_sludge = " c_sludge = '".$_POST['sludge']."', ";
 								
-								// tbl_daily 의 sludge update
-								qry("UPDATE tbl_daily SET d_sludge='".$_POST['sludge']."' 
-																	WHERE d_customeruid = '".$_POST['customeruid']."' ");
+								// tbl_daily 의 sludge update - 2025-12-09 history 안건드리기
+								// qry("UPDATE tbl_daily SET d_sludge='".$_POST['sludge']."' 
+								// 									WHERE d_customeruid = '".$_POST['customeruid']."' ");
 							}
 							else $add_sludge = "";		
 						}
diff --git a/public_html/doc/customer_process.php b/public_html/doc/customer_process.php
index 2215d4c..116d98e 100644
--- a/public_html/doc/customer_process.php
+++ b/public_html/doc/customer_process.php
@@ -282,14 +282,16 @@ if ($actionStr == "CUSTOMERINFO") {
 						addLog ("add", "CUSTOMER DETAIL", "UPDATE", $lguserid, "", $c_uid);
 
 			
-						// Sludge, rate, paymentcycle Update
+						// Sludge, rate, paymentcycle Update - 오늘 이후 오더장에만 적용한다. by 이강 2025-12-09
+						$today = date("Ymd");
 						$qry_sludge = "UPDATE tbl_daily 
 													SET 
-													d_sludge='".$c_sludge."', 
 													d_rate='".$c_rate."', 
 													d_cycle='".$c_paymentcycle."', 
 													d_paymenttype='".$c_paymenttype."' 
-													WHERE d_customeruid = '".$c_uid."'";
+													WHERE d_customeruid = '".$c_uid."'
+													and d_orderdate > '".$today."'
+													";
 						$jdb->nQuery($qry_sludge, "Update error");
 				
 						addLog ("add", "CUSTOMER DETAIL - SLUDGE, RATE, PAYMENTCYCLE, PAYMENTTYPE", "UPDATE", $lguserid, $qry_sludge, $c_uid);
diff --git a/public_html/lib/order_lib_process.php b/public_html/lib/order_lib_process.php
index 0bc6ef5..2be6830 100644
--- a/public_html/lib/order_lib_process.php
+++ b/public_html/lib/order_lib_process.php
@@ -127,9 +127,9 @@ if ($d_visitdate >= $c_lastpickupdate) {
 	if (trim($d_sludge) != "") {
 		$add_sludge = " c_sludge = '$d_sludge', ";
 		
-		// tbl_daily 의 sludge update
-		$qry_sludge = "UPDATE tbl_daily SET d_sludge='".$d_sludge."' WHERE d_customeruid = '".$d_customeruid."'";
-		$jdb->nQuery($qry_sludge, "Update error");
+		// tbl_daily 의 sludge update - 2025-12-09 history 안건드리기
+		// $qry_sludge = "UPDATE tbl_daily SET d_sludge='".$d_sludge."' WHERE d_customeruid = '".$d_customeruid."'";
+		// $jdb->nQuery($qry_sludge, "Update error");
 	}
 	else $add_sludge = "";		
 }
diff --git a/public_html/lib/update_column.php b/public_html/lib/update_column.php
index bfad621..d884466 100644
--- a/public_html/lib/update_column.php
+++ b/public_html/lib/update_column.php
@@ -78,8 +78,9 @@ if ($mode == "insert" && $upfilename != "" && $upfield != "") {
 										else if ($upfield == "c_rate")
 											$qry = "UPDATE tbl_customer SET c_rate='".$updateTMP."' WHERE c_accountno = '".$d_accountno."'";
 										else if ($upfield == "c_sludge") {
-											$qry1 = "UPDATE tbl_daily SET d_sludge='".$updateTMP."' WHERE d_accountno = '".$d_accountno."'";
-											$jdb->nQuery($qry1, "Update error");
+											// 2025-12-09 history 안건드리기
+											// $qry1 = "UPDATE tbl_daily SET d_sludge='".$updateTMP."' WHERE d_accountno = '".$d_accountno."'";
+											// $jdb->nQuery($qry1, "Update error");
 											
 											$qry = "UPDATE tbl_customer SET c_sludge='".$updateTMP."' WHERE c_accountno = '".$d_accountno."'";
 										}
diff --git a/public_html/lib/user_process.php b/public_html/lib/user_process.php
index 38ff1c3..b895fc4 100644
--- a/public_html/lib/user_process.php
+++ b/public_html/lib/user_process.php
@@ -284,9 +284,9 @@ if ($actionStr == "PICKUPORDERCUSTOMER") {
 				if (trim($d_sludge) != "") {
 					$add_sludge = " c_sludge = '$d_sludge', ";
 					
-					// tbl_daily 의 sludge update
-					$qry_sludge = "UPDATE tbl_daily SET d_sludge='".$d_sludge."' WHERE d_customeruid = '".$d_customeruid."'";
-					$jdb->nQuery($qry_sludge, "Update error");
+					// tbl_daily 의 sludge update - 2025-12-09 history 안건드리기
+					// $qry_sludge = "UPDATE tbl_daily SET d_sludge='".$d_sludge."' WHERE d_customeruid = '".$d_customeruid."'";
+					// $jdb->nQuery($qry_sludge, "Update error");
 				}
 				else $add_sludge = "";
 			}