diff --git a/crud/pronounce.py b/crud/pronounce.py
index 3cf3fa8..0df6ff2 100644
--- a/crud/pronounce.py
+++ b/crud/pronounce.py
@@ -163,4 +163,6 @@ def geosensori_analysis(text, dec):
         if r[2] in trigger and dec[i+1][0] in geosensorilist:
             geosensori.append(text[i:i+2])
 
-    return geosensori
\ No newline at end of file
+    return geosensori
+
+
diff --git a/main.py b/main.py
index 52b8fec..0dbcca4 100644
--- a/main.py
+++ b/main.py
@@ -21,9 +21,9 @@ class PronounceRule(str, Enum):
     기식음화 = "기식음화"
 
 class ClaudeRequest(BaseModel):
-    difficulty: int = Field(default=3)
+    difficulty: int = Field(default=3, ge=1, le=5)
     rule: PronounceRule
-    count: int = Field(default=5)
+    count: int = Field(default=5, ge=1, le=20)
 
 @app.post("/phonological_rules")
 async def analysis_pronounce(text: Dict[int, str] = Body(