diff --git a/test/ce/server/test_evil_cases.py b/test/ce/server/test_evil_cases.py
index eaafcc00ed..508bfeabd4 100644
--- a/test/ce/server/test_evil_cases.py
+++ b/test/ce/server/test_evil_cases.py
@@ -122,3 +122,332 @@ def test_stop_seq_exceed_length():
     resp = send_request(URL, payload).json()
     assert resp.get("detail").get("object") == "error", "stop 超出长度应触发异常"
     assert "exceeds the limit stop_seqs_max_len" in resp.get("detail").get("message", ""), "未返回预期的报错信息"
+
+
+def test_multilingual_input():
+    """测试多语言混合输入是否能够被正确处理"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content": "这是一个包含多种语言的输入：Hello, 世界！Bonjour, le monde! Hola, el mundo! こんにちは、世界！"
+            }
+        ],
+        "stream": False,
+
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    
+    # 验证响应是否包含有效的回复
+    assert "choices" in resp, "未收到有效的回复"
+    assert len(resp["choices"]) > 0, "回复为空"
+    assert "message" in resp["choices"][0], "回复中未包含消息内容"
+    assert "content" in resp["choices"][0]["message"], "回复中未包含内容字段"
+    # 验证模型是否能够正确处理多语言输入
+    response_content = resp["choices"][0]["message"]["content"]
+    assert response_content.strip() != "", "模型未生成任何内容"
+    print("多语言混合输入测试通过！")
+
+
+
+def test_too_long_input():
+    """测试超长输入是否被正确处理"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content": "a，" * 200000  # 超过最大输入长度
+            }
+        ],
+        "stream": False
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp["detail"].get("object") == "error", "超长输入未被识别为错误"
+    assert "Input text is too long" in resp["detail"].get("message", ""), "未检测到最大长度限制错误"
+
+
+def test_empty_input():
+    """测试空输入是否被正确处理"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content": ""  # 空输入
+            }
+        ],
+        "stream": False
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert "error" not in resp.get("object"), "空输入被识别为错误"
+    assert len(resp["choices"][0]["message"]["content"]) > 0, "内容为空时，回复为空"
+
+
+def test_prompt_only_spaces():
+    """messages content 为纯空格字符串，服务正常返回"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content":  "    ",  # 纯空格
+            }
+        ],
+        "stream": False,
+        "max_tokens": 10,
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get("object") == "chat.completion", "应返回 chat.completion 对象"
+    response_content = resp["choices"][0]["message"]["content"]
+    assert len(response_content) > 0, "messages content为空，未正常生成回复"
+    
+
+def test_illegal_characters():
+    """测试非法字符输入是否被正确处理"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content": "非洲的首都是？：\x00\x01\x02"  # 非法字符
+            }
+        ],
+        "stream": False
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert len(resp["choices"][0]["message"]["content"]) > 0, "非法字符输入影响模型回复"
+
+
+def test_sql_injection():
+    """测试 SQL 注入攻击是否被正确处理"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content": "SELECT * FROM users WHERE username = 'admin' OR '1'='1';"  # SQL 注入攻击
+            }
+        ],
+        "stream": False,
+        "max_tokens": 50,
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert "message" in resp["choices"][0], "回复中未包含消息内容"
+    assert "content" in resp["choices"][0]["message"], "回复中未包含内容字段"
+    response_content = resp["choices"][0]["message"]["content"]
+    assert len(response_content) > 0, "SQL 注入攻击影响模型回复"
+
+
+def test_xss_attack():
+    """测试 XSS 攻击是否被正确处理"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content": "<script>alert('XSS');</script>"  # XSS 攻击
+            }
+        ],
+        "stream": False,
+        "max_tokens": 50,
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert "message" in resp["choices"][0], "回复中未包含消息内容"
+    assert "content" in resp["choices"][0]["message"], "回复中未包含内容字段"
+    response_content = resp["choices"][0]["message"]["content"]
+    assert len(response_content) > 0, "XSS 攻击未被正确处理"
+
+
+def test_stop_empty_string():
+    """测试 stop 参数为空字符串时的行为"""
+    data = {
+        "stream": False,
+        "messages": [
+            {
+                "role": "user",
+                "content": "非洲的首都是？"
+            }
+        ],
+        "max_tokens": 10,
+        "stop": ""  # 空字符串
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get("object") == "chat.completion", "应返回 chat.completion 对象"
+    assert len(resp.get("choices", [])[0].get("message", {}).get("content", "")) > 0, "应生成有效文本"
+
+
+def test_stop_multiple_strings():
+    """测试 stop 参数为多个字符串时的行为"""
+    data = {
+        "stream": False,
+        "messages": [
+            {
+                "role": "user",
+                "content": "非洲的首都是？"
+            }
+        ],
+        "max_tokens": 50,
+        "stop": ["。", "！", "？"]  # 多个停止条件
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get("object") == "chat.completion", "应返回 chat.completion 对象"
+    generated_text = resp.get("choices")[0].get("message", {}).get("content", "")
+    assert any(stop in generated_text for stop in data["stop"]), "生成文本应包含 stop 序列之一"
+
+
+def test_stop_with_special_characters():
+    """测试 stop 参数为包含特殊字符的字符串时的行为"""
+    data = {
+        "stream": False,
+        "messages": [
+            {
+                "role": "user",
+                "content": "非洲的首都是？"
+            }
+        ],
+        "max_tokens": 50,
+        "stop": "!@#$%^&*()"  # 包含特殊字符
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get("object") == "chat.completion", "应返回 chat.completion 对象"
+    generated_text = resp.get("choices")[0].get("message", {}).get("content", "")
+    assert any(char in generated_text for char in data["stop"]), "生成文本应包含 stop 序列中的特殊字符之一"
+
+
+def test_stop_with_newlines():
+    """测试 stop 参数为包含换行符的字符串时的行为"""
+    data = {
+        "stream": False,
+        "messages": [
+            {
+                "role": "user",
+                "content": "非洲的首都是？"
+            }
+        ],
+        "max_tokens": 50,
+        "stop": "\n\n"  # 包含换行符
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get("object") == "chat.completion", "应返回 chat.completion 对象"
+    generated_text = resp.get("choices")[0].get("message", {}).get("content", "")
+    assert data["stop"] in generated_text, "生成文本应包含 stop 序列"
+
+
+def test_model_empty():
+    """model 参数为空，不影响服务"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content":  "非洲的首都是？",  
+            }
+        ],
+        "stream": False,
+        "max_tokens": 10,
+        "model": ""  # 空模型
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get("object") == "chat.completion", "应返回 chat.completion 对象"
+    response_content = resp["choices"][0]["message"]["content"]
+    assert len(response_content) > 0, "模型名为空，未正常生成回复"
+
+
+def test_model_invalid():
+    """model 参数为不存在的模型，不影响服务"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content":  "非洲的首都是？",  
+            }
+        ],
+        "stream": False,
+        "max_tokens": 10,
+        "model": "non-existent-model"  # 不存在的模型
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get("object") == "chat.completion", "不存在的 model 应触发校验异常"
+    assert "non-existent-model" in resp.get("model"), "未返回预期的 model 信息"
+    assert len(resp.get("choices")[0].get("message").get("content")) > 0, "模型名为不存在的 model，未正常生成回复"
+
+
+def test_model_with_special_characters():
+    """model 参数为非法格式（例如包含特殊字符），不影响服务"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content":  "非洲的首都是？",
+            }
+        ],
+        "stream": False,
+        "max_tokens": 10,
+        "model": "!@#"  # 包含特殊字符
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get("object") == "chat.completion", "不存在的 model 应触发校验异常"
+    assert "!@#" in resp.get("model"), "未返回预期的 model 信息"
+    assert len(resp.get("choices")[0].get("message").get("content")) > 0, "模型名为model 参数为非法格式，未正常生成回复"
+
+
+def test_max_tokens_negative():
+    """max_tokens 为负数，服务应报错"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content":  "非洲的首都是？",  
+            }
+        ],
+        "stream": False,
+        "max_tokens": -10,  # 负数
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get("detail").get("object") == "error", "max_tokens < 0 未触发校验异常"
+    assert 'max_tokens can be defined [1,' in resp.get("detail").get("message"), "未返回预期的 max_tokens 错误信息"
+
+
+def test_max_tokens_min():
+    """测试 max_tokens 达到异常值0 时的行为"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content":  "非洲的首都是？",  
+            }
+        ],
+        "stream": False,
+        "max_tokens": 0,  # 最小值
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get('detail').get("object") == "error", "max_tokens未0时API未拦截住"
+    assert "reasoning_max_tokens must be between max_tokens and 1" in resp.get('detail').get("message", ""), "未返回预期的 max_tokens 达到异常值0 的 错误信息"
+
+
+def test_max_tokens_non_integer():
+    """max_tokens 为非整数，服务应报错"""
+    data = {
+        "messages": [
+            {
+                "role": "user",
+                "content":  "非洲的首都是？",
+            }
+        ],
+        "stream": False,
+        "max_tokens": 10.5,  # 非整数
+    }
+    payload = build_request_payload(TEMPLATE, data)
+    resp = send_request(URL, payload).json()
+    assert resp.get('detail')[0].get("msg") == "Input should be a valid integer, got a number with a fractional part", "未返回预期的 max_tokens 为非整数的错误信息"
+