diff --git a/src/main/java/cn/lihongjie/coal/coalBlend/entity/CoalBlendEntity.java b/src/main/java/cn/lihongjie/coal/coalBlend/entity/CoalBlendEntity.java
index 3f1408c4..4efbfd6b 100644
--- a/src/main/java/cn/lihongjie/coal/coalBlend/entity/CoalBlendEntity.java
+++ b/src/main/java/cn/lihongjie/coal/coalBlend/entity/CoalBlendEntity.java
@@ -60,6 +60,18 @@ public class CoalBlendEntity extends OrgCommonEntity {
                     + "  and i.code = blend_type)")
     private String blendTypeName;
 
+    @Comment("煤类型")
+    private String coalType;
+
+    @Formula(
+            "(select i.name\n"
+                    + "from t_dictionary d,\n"
+                    + "     t_dictionary_item i\n"
+                    + "where d.id = i.dictionary_id\n"
+                    + "  and d.code = 'coalBlend.coalType'\n"
+                    + "  and i.code = coal_type)")
+    private String coalTypeName;
+
     @Comment("结果个数")
     private Integer count = 20;
 
@@ -282,52 +294,83 @@ public class CoalBlendEntity extends OrgCommonEntity {
                                 });
 
         IntVar[] percentValArr = percentVal.toJavaArray(IntVar[]::new);
-        // 各个煤累加和 100
-        model.addEquality(LinearExpr.sum(percentValArr), 100);
+
+        boolean isJM = StringUtils.isEmpty(coalType) ||  StringUtils.equalsIgnoreCase(coalType, "0");
+        boolean isYM = StringUtils.equalsIgnoreCase(coalType, "2");
+        if (isJM) {
+
+            // 各个煤累加和 100
+            model.addEquality(LinearExpr.sum(percentValArr), 100);
+        } else {
+            if (isYM) {
+                // 原煤配煤比例小于等于 100
+                model.addLessOrEqual(LinearExpr.sum(percentValArr), 100);
+            }
+        }
         addBaseConstrain(model, percentValArr);
 
         IntVar gcd = model.newIntVar(2, 100, "gcd");
         Stream<IntVar> gcdVal = null;
 
-        if (Objects.equals(blendType, "2")) {
+        if (isJM) {
 
-            gcdVal =
-                    Stream.ofAll(coals)
-                            .zipWithIndex(
-                                    (c, i) ->
-                                            model.newIntVar(
-                                                    c.getMinPercent(),
-                                                    c.getMaxPercent(),
-                                                    "gcdX" + i));
-            percentVal.zip(gcdVal).forEach(t -> model.addDivisionEquality(t._2, t._1, gcd));
-            percentVal
-                    .zip(gcdVal)
-                    .forEach(t -> model.addModuloEquality(LinearExpr.constant(0), t._1, gcd));
+            if (Objects.equals(blendType, "2")) {
 
-            model.addLessOrEqual(
-                    LinearExpr.sum(gcdVal.toJavaArray(IntVar[]::new)), type2PercentSum);
-        }
+                gcdVal =
+                        Stream.ofAll(coals)
+                                .zipWithIndex(
+                                        (c, i) ->
+                                                model.newIntVar(
+                                                        c.getMinPercent(),
+                                                        c.getMaxPercent(),
+                                                        "gcdX" + i));
+                percentVal.zip(gcdVal).forEach(t -> model.addDivisionEquality(t._2, t._1, gcd));
+                percentVal
+                        .zip(gcdVal)
+                        .forEach(t -> model.addModuloEquality(LinearExpr.constant(0), t._1, gcd));
 
-        if (StringUtils.isNotEmpty(targetParam)) {
-            if (targetOrder == -1) {
+                model.addLessOrEqual(
+                        LinearExpr.sum(gcdVal.toJavaArray(IntVar[]::new)), type2PercentSum);
+            }
 
-                model.maximize(
-                        LinearExpr.weightedSum(
-                                percentValArr,
-                                coals.stream()
-                                        .mapToLong(x -> (long) (x.getParam(targetParam) * 100))
-                                        .toArray()));
+            if (StringUtils.isNotEmpty(targetParam)) {
+                if (targetOrder == -1) {
 
-            } else {
+                    model.maximize(
+                            LinearExpr.weightedSum(
+                                    percentValArr,
+                                    coals.stream()
+                                            .mapToLong(x -> (long) (x.getParam(targetParam) * 100))
+                                            .toArray()));
 
-                model.minimize(
-                        LinearExpr.weightedSum(
-                                percentValArr,
-                                coals.stream()
-                                        .mapToLong(x -> (long) (x.getParam(targetParam) * 100))
-                                        .toArray()));
+                } else {
+
+                    model.minimize(
+                            LinearExpr.weightedSum(
+                                    percentValArr,
+                                    coals.stream()
+                                            .mapToLong(x -> (long) (x.getParam(targetParam) * 100))
+                                            .toArray()));
+                }
             }
         }
+
+        if (isYM){
+
+
+            int coalSize = coals.size();
+            long[] weightArr = new long[coalSize];
+
+            for (int i = 0; i < coalSize; i++) {
+
+
+                weightArr[i] = (long) (Math.pow(100, coalSize - i));
+                
+            }
+
+            model.maximize(LinearExpr.weightedSum(percentValArr, weightArr));
+        }
+
         stopWatch.stop();
         stopWatch.start("CpSolver");
 
diff --git a/src/main/resources/config/dictionary.json b/src/main/resources/config/dictionary.json
index 11abcaf8..eb256637 100644
--- a/src/main/resources/config/dictionary.json
+++ b/src/main/resources/config/dictionary.json
@@ -1930,6 +1930,22 @@
     ]
   },
 
+
+  {
+    "code": "coalBlend.coalType",
+    "name": "配煤-煤类型",
+    "item": [
+      {
+        "code": "0",
+        "name": "精煤"
+      },
+      {
+        "code": "2",
+        "name": "原煤"
+      }
+
+    ]
+  },
   {
     "code": "inventoryCheck.type",
     "name": "库存盘点类型",
diff --git a/src/main/resources/db/migration/V25__coalBlendCoalType.sql b/src/main/resources/db/migration/V25__coalBlendCoalType.sql
new file mode 100644
index 00000000..85d18483
--- /dev/null
+++ b/src/main/resources/db/migration/V25__coalBlendCoalType.sql
@@ -0,0 +1 @@
+update t_coal_blend set coal_type = '0' where coal_type is null;