diff --git a/api/core/model_runtime/model_providers/spark/llm/spark-1.5.yaml b/api/core/model_runtime/model_providers/spark/llm/spark-1.5.yaml
index 9927a16c5ad7a8..41b8765fe6c4f1 100644
--- a/api/core/model_runtime/model_providers/spark/llm/spark-1.5.yaml
+++ b/api/core/model_runtime/model_providers/spark/llm/spark-1.5.yaml
@@ -26,7 +26,7 @@ parameter_rules:
     type: int
     default: 4
     min: 1
-    max: 10
+    max: 6
     help:
       zh_Hans: 从 k 个候选中随机选择一个（非等概率）。
       en_US: Randomly select one from k candidates (non-equal probability).
diff --git a/api/core/model_runtime/model_providers/spark/llm/spark-2.yaml b/api/core/model_runtime/model_providers/spark/llm/spark-2.yaml
index 8c6d13d8dac57e..2db6805a2e2af0 100644
--- a/api/core/model_runtime/model_providers/spark/llm/spark-2.yaml
+++ b/api/core/model_runtime/model_providers/spark/llm/spark-2.yaml
@@ -27,7 +27,7 @@ parameter_rules:
     type: int
     default: 4
     min: 1
-    max: 10
+    max: 6
     help:
       zh_Hans: 从 k 个候选中随机选择一个（非等概率）。
       en_US: Randomly select one from k candidates (non-equal probability).
diff --git a/api/core/model_runtime/model_providers/spark/llm/spark-3.5.yaml b/api/core/model_runtime/model_providers/spark/llm/spark-3.5.yaml
index 5b48c5afc61a11..6d24932ea83076 100644
--- a/api/core/model_runtime/model_providers/spark/llm/spark-3.5.yaml
+++ b/api/core/model_runtime/model_providers/spark/llm/spark-3.5.yaml
@@ -26,7 +26,7 @@ parameter_rules:
     type: int
     default: 4
     min: 1
-    max: 10
+    max: 6
     help:
       zh_Hans: 从 k 个候选中随机选择一个（非等概率）。
       en_US: Randomly select one from k candidates (non-equal probability).
diff --git a/api/core/model_runtime/model_providers/spark/llm/spark-3.yaml b/api/core/model_runtime/model_providers/spark/llm/spark-3.yaml
index 807b97829d46aa..2ef9e10f453f6b 100644
--- a/api/core/model_runtime/model_providers/spark/llm/spark-3.yaml
+++ b/api/core/model_runtime/model_providers/spark/llm/spark-3.yaml
@@ -26,7 +26,7 @@ parameter_rules:
     type: int
     default: 4
     min: 1
-    max: 10
+    max: 6
     help:
       zh_Hans: 从 k 个候选中随机选择一个（非等概率）。
       en_US: Randomly select one from k candidates (non-equal probability).
diff --git a/api/core/model_runtime/model_providers/spark/llm/spark-4.yaml b/api/core/model_runtime/model_providers/spark/llm/spark-4.yaml
index 79326287e4ccca..4b0bf27029ff76 100644
--- a/api/core/model_runtime/model_providers/spark/llm/spark-4.yaml
+++ b/api/core/model_runtime/model_providers/spark/llm/spark-4.yaml
@@ -26,7 +26,7 @@ parameter_rules:
     type: int
     default: 4
     min: 1
-    max: 10
+    max: 6
     help:
       zh_Hans: 从 k 个候选中随机选择一个（非等概率）。
       en_US: Randomly select one from k candidates (non-equal probability).